{ "document": { "category": "csaf_base", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this portal to enhance access to its information and vulnerabilities. The use of this information is subject to the following terms and conditions:\n\nThe vulnerabilities disclosed in this portal are gathered by NCSC-NL from a variety of open sources, which the user can retrieve from other platforms. NCSC-NL makes every reasonable effort to ensure that the content of this portal is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or real-time keeping up-to-date. NCSC-NL does not control nor guarantee the accuracy, relevance, timeliness or completeness of information obtained from these external sources. The vulnerabilities disclosed in this portal are intended solely for the convenience of professional parties to take appropriate measures to manage the risks posed to the cybersecurity. No rights can be derived from the information provided therein.\n\nNCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of the vulnerabilities disclosed in this portal. This includes damage resulting from the inaccuracy of incompleteness of the information contained in it.\nThe information on this page is subject to Dutch law. All disputes related to or arising from the use of this portal regarding the disclosure of vulnerabilities will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings." } ], "publisher": { "category": "coordinator", "contact_details": "cert@ncsc.nl", "name": "National Cyber Security Centre", "namespace": "https://www.ncsc.nl/" }, "title": "CVE-2026-59943", "tracking": { "current_release_date": "2026-09-16T13:54:10.801662Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-59943", "initial_release_date": "2026-07-22T23:40:05.716196Z", "revision_history": [ { "date": "2026-07-22T23:40:05.716196Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (4).| CWES updated (1)." }, { "date": "2026-07-22T23:40:11.963976Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-07-23T00:31:03.728680Z", "number": "3", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (40).| Product Identifiers created (39).| References created (3).| CWES updated (1)." }, { "date": "2026-07-23T00:31:08.710471Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-07-28T20:38:51.827109Z", "number": "5", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (1).| References created (3).| CWES updated (1)." }, { "date": "2026-07-28T20:38:53.627876Z", "number": "6", "summary": "NCSC Score updated." }, { "date": "2026-07-28T21:30:04.294570Z", "number": "7", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (3).| CWES updated (1)." }, { "date": "2026-07-28T21:30:06.941323Z", "number": "8", "summary": "NCSC Score updated." }, { "date": "2026-07-29T12:13:51.016240Z", "number": "9", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (34).| References created (5).| CWES updated (1)." }, { "date": "2026-07-29T12:45:12.008180Z", "number": "10", "summary": "Source created.| CVE status created. (valid)| Description created for source.| Products connected (2)." }, { "date": "2026-07-29T13:38:57.107015Z", "number": "11", "summary": "Unknown change." }, { "date": "2026-07-29T15:14:02.026674Z", "number": "12", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-07-29T15:14:08.407564Z", "number": "13", "summary": "NCSC Score updated." }, { "date": "2026-07-29T15:37:57.477343Z", "number": "14", "summary": "NCSC Score updated." }, { "date": "2026-08-04T15:26:01.802738Z", "number": "15", "summary": "CVSS created.| Products created (1).| Product Identifiers created (1).| Exploits created (1)." }, { "date": "2026-08-04T15:26:07.067098Z", "number": "16", "summary": "NCSC Score updated." }, { "date": "2026-08-19T15:16:41.057884Z", "number": "17", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-08-19T15:17:38.465879Z", "number": "18", "summary": "NCSC Score updated." }, { "date": "2026-09-01T19:16:08.132488Z", "number": "19", "summary": "Description removed for source.| Products removed (1)." }, { "date": "2026-09-01T19:16:09.752199Z", "number": "20", "summary": "NCSC Score updated." }, { "date": "2026-09-02T05:05:49.409763Z", "number": "21", "summary": "Description created for source." }, { "date": "2026-09-02T10:26:13.120898Z", "number": "22", "summary": "EPSS updated." }, { "date": "2026-09-02T10:26:14.488923Z", "number": "23", "summary": "NCSC Score updated." }, { "date": "2026-09-03T14:15:52.343129Z", "number": "24", "summary": "EPSS updated." }, { "date": "2026-09-03T18:40:12.301894Z", "number": "25", "summary": "EPSS updated." }, { "date": "2026-09-04T08:46:57.580788Z", "number": "26", "summary": "NCSC Score updated." }, { "date": "2026-09-04T15:24:28.517640Z", "number": "27", "summary": "EPSS updated." }, { "date": "2026-09-04T15:24:29.621239Z", "number": "28", "summary": "NCSC Score updated." }, { "date": "2026-09-05T15:23:48.971556Z", "number": "29", "summary": "EPSS updated." }, { "date": "2026-09-06T15:24:19.321029Z", "number": "30", "summary": "EPSS updated." }, { "date": "2026-09-07T15:24:43.708705Z", "number": "31", "summary": "EPSS updated." }, { "date": "2026-09-09T07:18:03.791585Z", "number": "32", "summary": "EPSS updated." }, { "date": "2026-09-09T07:18:06.395847Z", "number": "33", "summary": "NCSC Score updated." }, { "date": "2026-09-09T15:28:17.816965Z", "number": "34", "summary": "EPSS updated." }, { "date": "2026-09-10T08:04:10.731741Z", "number": "35", "summary": "NCSC Score updated." }, { "date": "2026-09-16T00:25:57.535398Z", "number": "36", "summary": "Source connected.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (1).| Product Remediations created (1).| References created (2)." }, { "date": "2026-09-16T00:26:03.837107Z", "number": "37", "summary": "NCSC Score updated." }, { "date": "2026-09-16T12:11:43.072260Z", "number": "38", "summary": "Source connected.| CVE status created. (valid)| Products connected (7).| References created (3)." }, { "date": "2026-09-16T12:11:45.536701Z", "number": "39", "summary": "NCSC Score updated." }, { "date": "2026-09-16T13:52:55.181826Z", "number": "40", "summary": "Source connected.| CVE status created. (valid)" } ], "status": "interim", "version": "40" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/cloud native core security edge protection proxy 25.2.201", "product": { "name": "vers:unknown/cloud native core security edge protection proxy 25.2.201", "product_id": "CSAFPID-9329725", "product_identification_helper": { "cpe": "cpe:/a:oracle:communications:cloud_native_core_security_edge_protection_proxy_25.2.201" } } }, { "category": "product_version_range", "name": "vers:unknown/cloud native core security edge protection proxy 26.1.200", "product": { "name": "vers:unknown/cloud native core security edge protection proxy 26.1.200", "product_id": "CSAFPID-9329724", "product_identification_helper": { "cpe": "cpe:/a:oracle:communications:cloud_native_core_security_edge_protection_proxy_26.1.200" } } }, { "category": "product_version_range", "name": "vers:unknown/metasolv solution module 70.0.0", "product": { "name": "vers:unknown/metasolv solution module 70.0.0", "product_id": "CSAFPID-9329722", "product_identification_helper": { "cpe": "cpe:/a:oracle:communications:metasolv_solution_module_70.0.0" } } }, { "category": "product_version_range", "name": "vers:unknown/operations monitor 6.1", "product": { "name": "vers:unknown/operations monitor 6.1", "product_id": "CSAFPID-9329721", "product_identification_helper": { "cpe": "cpe:/a:oracle:communications:operations_monitor_6.1" } } }, { "category": "product_version_range", "name": "vers:unknown/service catalog and design 8.0-8.3", "product": { "name": "vers:unknown/service catalog and design 8.0-8.3", "product_id": "CSAFPID-9329720", "product_identification_helper": { "cpe": "cpe:/a:oracle:communications:service_catalog_and_design_8.0_-_8.3" } } }, { "category": "product_version_range", "name": "vers:unknown/unified assurance 6.1.1-7.0.0", "product": { "name": "vers:unknown/unified assurance 6.1.1-7.0.0", "product_id": "CSAFPID-7942221", "product_identification_helper": { "cpe": "cpe:/a:oracle:communications:unified_assurance_6.1.1_-_7.0.0" } } }, { "category": "product_version_range", "name": "vers:unknown/unified assurance 7.0.0", "product": { "name": "vers:unknown/unified assurance 7.0.0", "product_id": "CSAFPID-9329723", "product_identification_helper": { "cpe": "cpe:/a:oracle:communications:unified_assurance_7.0.0" } } } ], "category": "product_name", "name": "Communications" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:oracle/semver/6.1.1-7.0.0", "product": { "name": "vers:oracle/semver/6.1.1-7.0.0", "product_id": "CSAFPID-9028667", "product_identification_helper": { "cpe": "cpe:2.3:a:oracle:communications_unified_assurance:6.1.1-7.0.0:*:*:*:*:*:*:*" } } } ], "category": "product_name", "name": "Oracle Communications Unified Assurance" } ], "category": "product_family", "name": "Oracle Communications" } ], "category": "vendor", "name": "Oracle" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<3.1.6", "product": { "name": "vers:unknown/<3.1.6", "product_id": "CSAFPID-8931601", "product_identification_helper": { "cpe": "cpe:2.3:a:dompdf_project:dompdf:*:*:*:*:*:*:*:*" } } } ], "category": "product_name", "name": "Dompdf" } ], "category": "vendor", "name": "Dompdf Project" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<3.1.6", "product": { "name": "vers:unknown/<3.1.6", "product_id": "CSAFPID-8904105" } }, { "category": "product_version_range", "name": "vers:unknown/>=0|<3.1.6", "product": { "name": "vers:unknown/>=0|<3.1.6", "product_id": "CSAFPID-8881097" } }, { "category": "product_version_range", "name": "vers:unknown/v0.6.0", "product": { "name": "vers:unknown/v0.6.0", "product_id": "CSAFPID-3446194", "product_identification_helper": { "purl": "pkg:composer/dompdf/dompdf@v0.6.0" } } }, { "category": "product_version_range", "name": "vers:unknown/v0.6.0-b3", "product": { "name": "vers:unknown/v0.6.0-b3", "product_id": "CSAFPID-3446195" } }, { "category": "product_version_range", "name": "vers:unknown/v0.6.1", "product": { "name": "vers:unknown/v0.6.1", "product_id": "CSAFPID-3446196", "product_identification_helper": { "purl": "pkg:composer/dompdf/dompdf@v0.6.1" } } }, { "category": "product_version_range", "name": "vers:unknown/v0.6.2", "product": { "name": "vers:unknown/v0.6.2", "product_id": "CSAFPID-3446197", "product_identification_helper": { "purl": "pkg:composer/dompdf/dompdf@v0.6.2" } } }, { "category": "product_version_range", "name": "vers:unknown/v0.7.0", "product": { "name": "vers:unknown/v0.7.0", "product_id": "CSAFPID-3446198", "product_identification_helper": { "purl": "pkg:composer/dompdf/dompdf@v0.7.0" } } }, { "category": "product_version_range", "name": "vers:unknown/v0.7.0-beta", "product": { "name": "vers:unknown/v0.7.0-beta", "product_id": "CSAFPID-3446199", "product_identification_helper": { "purl": "pkg:composer/dompdf/dompdf@v0.7.0-beta" } } }, { "category": "product_version_range", "name": "vers:unknown/v0.7.0-beta2", "product": { "name": "vers:unknown/v0.7.0-beta2", "product_id": "CSAFPID-3446200", "product_identification_helper": { "purl": "pkg:composer/dompdf/dompdf@v0.7.0-beta2" } } }, { "category": "product_version_range", "name": "vers:unknown/v0.7.0-beta3", "product": { "name": "vers:unknown/v0.7.0-beta3", "product_id": "CSAFPID-3446201", "product_identification_helper": { "purl": "pkg:composer/dompdf/dompdf@v0.7.0-beta3" } } }, { "category": "product_version_range", "name": "vers:unknown/v0.8.0", "product": { "name": "vers:unknown/v0.8.0", "product_id": "CSAFPID-3446202", "product_identification_helper": { "purl": "pkg:composer/dompdf/dompdf@v0.8.0" } } }, { "category": "product_version_range", "name": "vers:unknown/v0.8.1", "product": { "name": "vers:unknown/v0.8.1", "product_id": "CSAFPID-3446203", "product_identification_helper": { "purl": "pkg:composer/dompdf/dompdf@v0.8.1" } } }, { "category": "product_version_range", "name": "vers:unknown/v0.8.2", "product": { "name": "vers:unknown/v0.8.2", "product_id": "CSAFPID-3446204", "product_identification_helper": { "purl": "pkg:composer/dompdf/dompdf@v0.8.2" } } }, { "category": "product_version_range", "name": "vers:unknown/v0.8.3", "product": { "name": "vers:unknown/v0.8.3", "product_id": "CSAFPID-3446205", "product_identification_helper": { "purl": "pkg:composer/dompdf/dompdf@v0.8.3" } } }, { "category": "product_version_range", "name": "vers:unknown/v0.8.4", "product": { "name": "vers:unknown/v0.8.4", "product_id": "CSAFPID-3446206", "product_identification_helper": { "purl": "pkg:composer/dompdf/dompdf@v0.8.4" } } }, { "category": "product_version_range", "name": "vers:unknown/v0.8.5", "product": { "name": "vers:unknown/v0.8.5", "product_id": "CSAFPID-3446207", "product_identification_helper": { "purl": "pkg:composer/dompdf/dompdf@v0.8.5" } } }, { "category": "product_version_range", "name": "vers:unknown/v0.8.6", "product": { "name": "vers:unknown/v0.8.6", "product_id": "CSAFPID-3446208", "product_identification_helper": { "purl": "pkg:composer/dompdf/dompdf@v0.8.6" } } }, { "category": "product_version_range", "name": "vers:unknown/v1.0.0", "product": { "name": "vers:unknown/v1.0.0", "product_id": "CSAFPID-3446209", "product_identification_helper": { "purl": "pkg:composer/dompdf/dompdf@v1.0.0" } } }, { "category": "product_version_range", "name": "vers:unknown/v1.0.1", "product": { "name": "vers:unknown/v1.0.1", "product_id": "CSAFPID-3446210", "product_identification_helper": { "purl": "pkg:composer/dompdf/dompdf@v1.0.1" } } }, { "category": "product_version_range", "name": "vers:unknown/v1.0.2", "product": { "name": "vers:unknown/v1.0.2", "product_id": "CSAFPID-3446211", "product_identification_helper": { "purl": "pkg:composer/dompdf/dompdf@v1.0.2" } } }, { "category": "product_version_range", "name": "vers:unknown/v1.1.0", "product": { "name": "vers:unknown/v1.1.0", "product_id": "CSAFPID-3446212", "product_identification_helper": { "purl": "pkg:composer/dompdf/dompdf@v1.1.0" } } }, { "category": "product_version_range", "name": "vers:unknown/v1.1.1", "product": { "name": "vers:unknown/v1.1.1", "product_id": "CSAFPID-3446213", "product_identification_helper": { "purl": "pkg:composer/dompdf/dompdf@v1.1.1" } } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.0", "product": { "name": "vers:unknown/v1.2.0", "product_id": "CSAFPID-3446214", "product_identification_helper": { "purl": "pkg:composer/dompdf/dompdf@v1.2.0" } } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.1", "product": { "name": "vers:unknown/v1.2.1", "product_id": "CSAFPID-3446215", "product_identification_helper": { "purl": "pkg:composer/dompdf/dompdf@v1.2.1" } } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.2", "product": { "name": "vers:unknown/v1.2.2", "product_id": "CSAFPID-3446216", "product_identification_helper": { "purl": "pkg:composer/dompdf/dompdf@v1.2.2" } } }, { "category": "product_version_range", "name": "vers:unknown/v2.0.0", "product": { "name": "vers:unknown/v2.0.0", "product_id": "CSAFPID-3446217", "product_identification_helper": { "purl": "pkg:composer/dompdf/dompdf@v2.0.0" } } }, { "category": "product_version_range", "name": "vers:unknown/v2.0.1", "product": { "name": "vers:unknown/v2.0.1", "product_id": "CSAFPID-3455966", "product_identification_helper": { "purl": "pkg:composer/dompdf/dompdf@v2.0.1" } } }, { "category": "product_version_range", "name": "vers:unknown/v2.0.2", "product": { "name": "vers:unknown/v2.0.2", "product_id": "CSAFPID-3455967", "product_identification_helper": { "purl": "pkg:composer/dompdf/dompdf@v2.0.2" } } }, { "category": "product_version_range", "name": "vers:unknown/v2.0.3", "product": { "name": "vers:unknown/v2.0.3", "product_id": "CSAFPID-4996836", "product_identification_helper": { "purl": "pkg:composer/dompdf/dompdf@v2.0.3" } } }, { "category": "product_version_range", "name": "vers:unknown/v2.0.4", "product": { "name": "vers:unknown/v2.0.4", "product_id": "CSAFPID-8881084", "product_identification_helper": { "purl": "pkg:composer/dompdf/dompdf@v2.0.4" } } }, { "category": "product_version_range", "name": "vers:unknown/v2.0.5", "product": { "name": "vers:unknown/v2.0.5", "product_id": "CSAFPID-8881085", "product_identification_helper": { "purl": "pkg:composer/dompdf/dompdf@v2.0.5" } } }, { "category": "product_version_range", "name": "vers:unknown/v2.0.7", "product": { "name": "vers:unknown/v2.0.7", "product_id": "CSAFPID-8881086", "product_identification_helper": { "purl": "pkg:composer/dompdf/dompdf@v2.0.7" } } }, { "category": "product_version_range", "name": "vers:unknown/v2.0.8", "product": { "name": "vers:unknown/v2.0.8", "product_id": "CSAFPID-8881087", "product_identification_helper": { "purl": "pkg:composer/dompdf/dompdf@v2.0.8" } } }, { "category": "product_version_range", "name": "vers:unknown/v3.0.0", "product": { "name": "vers:unknown/v3.0.0", "product_id": "CSAFPID-8881088", "product_identification_helper": { "purl": "pkg:composer/dompdf/dompdf@v3.0.0" } } }, { "category": "product_version_range", "name": "vers:unknown/v3.0.1", "product": { "name": "vers:unknown/v3.0.1", "product_id": "CSAFPID-8881089", "product_identification_helper": { "purl": "pkg:composer/dompdf/dompdf@v3.0.1" } } }, { "category": "product_version_range", "name": "vers:unknown/v3.0.2", "product": { "name": "vers:unknown/v3.0.2", "product_id": "CSAFPID-8881090", "product_identification_helper": { "purl": "pkg:composer/dompdf/dompdf@v3.0.2" } } }, { "category": "product_version_range", "name": "vers:unknown/v3.1.0", "product": { "name": "vers:unknown/v3.1.0", "product_id": "CSAFPID-8881091", "product_identification_helper": { "purl": "pkg:composer/dompdf/dompdf@v3.1.0" } } }, { "category": "product_version_range", "name": "vers:unknown/v3.1.1", "product": { "name": "vers:unknown/v3.1.1", "product_id": "CSAFPID-8881092", "product_identification_helper": { "purl": "pkg:composer/dompdf/dompdf@v3.1.1" } } }, { "category": "product_version_range", "name": "vers:unknown/v3.1.2", "product": { "name": "vers:unknown/v3.1.2", "product_id": "CSAFPID-8881093", "product_identification_helper": { "purl": "pkg:composer/dompdf/dompdf@v3.1.2" } } }, { "category": "product_version_range", "name": "vers:unknown/v3.1.3", "product": { "name": "vers:unknown/v3.1.3", "product_id": "CSAFPID-8881094", "product_identification_helper": { "purl": "pkg:composer/dompdf/dompdf@v3.1.3" } } }, { "category": "product_version_range", "name": "vers:unknown/v3.1.4", "product": { "name": "vers:unknown/v3.1.4", "product_id": "CSAFPID-8881095", "product_identification_helper": { "purl": "pkg:composer/dompdf/dompdf@v3.1.4" } } }, { "category": "product_version_range", "name": "vers:unknown/v3.1.5", "product": { "name": "vers:unknown/v3.1.5", "product_id": "CSAFPID-8881096", "product_identification_helper": { "purl": "pkg:composer/dompdf/dompdf@v3.1.5" } } } ], "category": "product_name", "name": "dompdf" } ], "category": "vendor", "name": "dompdf" }, { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:deb/unknown", "product": { "name": "vers:deb/unknown", "product_id": "CSAFPID-1406591" } } ], "category": "product_name", "name": "php-dompdf" } ], "category": "product_family", "name": "bookworm" } ], "category": "vendor", "name": "Debian" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-59943", "cwe": { "id": "CWE-209", "name": "Generation of Error Message Containing Sensitive Information" }, "notes": [ { "category": "description", "text": "### Summary\nIf a malicious actor can supply unrestricted content for rendering by Dompdf they can utilize the SVG rendering functionality to leak filesystem information when rendering PDF files using image references within a data-URI encoded SVG document.\n\n### Details\nUsing an `` element inside a data-URI embedded SVG, an attacker can attempt to embed other files via the `href` or `xlink:href` attributes. When processing a file that does not exist (e.g. `file:///DOESNOTEXIST`), dompdf behaves differently than it does when accessing a file or directory that actually exists on the filesystem.\n\n```\n[Wed May 20 19:49:53 2026] PHP Warning: file_get_contents(file:///DOESNOTEXIST): Failed to open stream: No such file or directory in vendor/dompdf/php-svg-lib/src/Svg/Surface/SurfaceCpdf.php on line 173\n[Wed May 20 19:49:53 2026] PHP Notice: getimagesize(): Error reading from /tmp/svgsk9247ela7tm3SiqGyP! in vendor/dompdf/php-svg-lib/src/Svg/Surface/SurfaceCpdf.php on line 196\n```\n\n### PoC\n\nFirst, the attacker renders this HTML document:\n```\n\n\n\n\n\n Hello World!\n\n\n```\n\nThe `` tag contains the following SVG content:\n```xml\n\n\n \n \n```\n\nAs expected, the resulting PDF contains a broken image:\n\"image\"\n\nHowever, when supplying a path to a file or directory that does not exist, for example:\n```xml\n\n\n \n \n```\n\nThe resulting PDF is rendered normally, with the image displayed as empty space (since the file did not exist). Additionally, for easier visual inspection, a rendering bug (https://github.com/dompdf/php-svg-lib/issues/142) is used to rotate the \"Hello World!\" text 180 degrees from the expected position:\n\n\"image\"\n\n### Impact\nBy exploiting this vulnerability, an attacker is able to confirm the existence of files and directories located on the backend filesystem.", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/Packagist%2FGHSA-j8qw-6jw8-r297.json?alt=media" }, { "category": "description", "text": "### Summary\nIf a malicious actor can supply unrestricted content for rendering by Dompdf they can utilize the SVG rendering functionality to leak filesystem information when rendering PDF files using image references within a data-URI encoded SVG document.\n\n### Details\nUsing an `` element inside a data-URI embedded SVG, an attacker can attempt to embed other files via the `href` or `xlink:href` attributes. When processing a file that does not exist (e.g. `file:///DOESNOTEXIST`), dompdf behaves differently than it does when accessing a file or directory that actually exists on the filesystem.\n\n```\n[Wed May 20 19:49:53 2026] PHP Warning: file_get_contents(file:///DOESNOTEXIST): Failed to open stream: No such file or directory in vendor/dompdf/php-svg-lib/src/Svg/Surface/SurfaceCpdf.php on line 173\n[Wed May 20 19:49:53 2026] PHP Notice: getimagesize(): Error reading from /tmp/svgsk9247ela7tm3SiqGyP! in vendor/dompdf/php-svg-lib/src/Svg/Surface/SurfaceCpdf.php on line 196\n```\n\n### PoC\n\nFirst, the attacker renders this HTML document:\n```\n\n\n\n\n\n Hello World!\n\n\n```\n\nThe `` tag contains the following SVG content:\n```xml\n\n\n \n \n```\n\nAs expected, the resulting PDF contains a broken image:\n\"image\"\n\nHowever, when supplying a path to a file or directory that does not exist, for example:\n```xml\n\n\n \n \n```\n\nThe resulting PDF is rendered normally, with the image displayed as empty space (since the file did not exist). Additionally, for easier visual inspection, a rendering bug (https://github.com/dompdf/php-svg-lib/issues/142) is used to rotate the \"Hello World!\" text 180 degrees from the expected position:\n\n\"image\"\n\n### Impact\nBy exploiting this vulnerability, an attacker is able to confirm the existence of files and directories located on the backend filesystem.", "title": "github - https://api.github.com/advisories/GHSA-j8qw-6jw8-r297" }, { "category": "description", "text": "Dompdf is an HTML to PDF converter for PHP. In versions 3.15 and prior, if a malicious actor can supply unrestricted content for rendering by Dompdf they can utilize the SVG rendering functionality to leak filesystem information when rendering PDF files using image references within a data-URI encoded SVG document. Using an element inside a data-URI embedded SVG, an attacker can attempt to embed other files via the href or xlink:href attributes. When processing a file that does not exist (e.g. file:///DOESNOTEXIST), dompdf behaves differently than it does when accessing a file or directory that actually exists on the filesystem. This issue has been fixed in version 3.16.", "title": "cveprojectv5 - https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/59xxx/CVE-2026-59943.json" }, { "category": "description", "text": "Dompdf is an HTML to PDF converter for PHP. In versions 3.15 and prior, if a malicious actor can supply unrestricted content for rendering by Dompdf they can utilize the SVG rendering functionality to leak filesystem information when rendering PDF files using image references within a data-URI encoded SVG document. Using an element inside a data-URI embedded SVG, an attacker can attempt to embed other files via the href or xlink:href attributes. When processing a file that does not exist (e.g. file:///DOESNOTEXIST), dompdf behaves differently than it does when accessing a file or directory that actually exists on the filesystem. This issue has been fixed in version 3.16.", "title": "nvd - https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-59943" }, { "category": "description", "text": "Dompdf is an HTML to PDF converter for PHP. In versions 3.15 and prior, if a malicious actor can supply unrestricted content for rendering by Dompdf they can utilize the SVG rendering functionality to leak filesystem information when rendering PDF files using image references within a data-URI encoded SVG document. Using an element inside a data-URI embedded SVG, an attacker can attempt to embed other files via the href or xlink:href attributes. When processing a file that does not exist (e.g. file:///DOESNOTEXIST), dompdf behaves differently than it does when accessing a file or directory that actually exists on the filesystem. This issue has been fixed in version 3.16.", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/GIT%2FCVE-2026-59943.json?alt=media" }, { "category": "description", "text": "Dompdf is an HTML to PDF converter for PHP. In versions 3.15 and prior, if a malicious actor can supply unrestricted content for rendering by Dompdf they can utilize the SVG rendering functionality to leak filesystem information when rendering PDF files using image references within a data-URI encoded SVG document. Using an element inside a data-URI embedded SVG, an attacker can attempt to embed other files via the href or xlink:href attributes. When processing a file that does not exist (e.g. file:///DOESNOTEXIST), dompdf behaves differently than it does when accessing a file or directory that actually exists on the filesystem. This issue has been fixed in version 3.16.", "title": "debian - https://security-tracker.debian.org/tracker/CVE-2026-59943" }, { "category": "description", "text": "Vulnerability in the Oracle Communications Unified Assurance product of Oracle Communications (component: Core (Dompdf)). Supported versions that are affected are 6.1.1-7.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Communications Unified Assurance. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Communications Unified Assurance accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Communications Unified Assurance. CVSS 3.1 Base Score 6.5 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L).", "title": "oracle - https://www.oracle.com/a/tech/docs/security-alerts/cspusep2026csaf.json" }, { "category": "other", "text": "0.00299", "title": "EPSS" }, { "category": "other", "text": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N", "title": "CVSSV4" }, { "category": "other", "text": "6.3", "title": "CVSSV4 base score" }, { "category": "other", "text": "5.2", "title": "NCSC Score" }, { "category": "other", "text": "There is product_remediation data available from source Oracle, There is product data available from source Oracle, VENDOR FIX as product remediation category, Is related to (a version of) an uncommon product, There is product data available from source Certbundde", "title": "NCSC Score top increasing factors" }, { "category": "other", "text": "There is exploit data available from source Nvd, There is cwe data available from source Github, There is cwe data available from source Nvd, The value of the most recent CVSS (V3) score", "title": "NCSC Score top decreasing factors" } ], "product_status": { "known_affected": [ "CSAFPID-3446194", "CSAFPID-3446196", "CSAFPID-3446197", "CSAFPID-3446198", "CSAFPID-3446199", "CSAFPID-3446200", "CSAFPID-3446201", "CSAFPID-3446202", "CSAFPID-3446203", "CSAFPID-3446204", "CSAFPID-3446205", "CSAFPID-3446206", "CSAFPID-3446207", "CSAFPID-3446208", "CSAFPID-3446209", "CSAFPID-3446210", "CSAFPID-3446211", "CSAFPID-3446212", "CSAFPID-3446213", "CSAFPID-3446214", "CSAFPID-3446215", "CSAFPID-3446216", "CSAFPID-3446217", "CSAFPID-3455966", "CSAFPID-3455967", "CSAFPID-4996836", "CSAFPID-8881084", "CSAFPID-8881085", "CSAFPID-8881086", "CSAFPID-8881087", "CSAFPID-8881088", "CSAFPID-8881089", "CSAFPID-8881090", "CSAFPID-8881091", "CSAFPID-8881092", "CSAFPID-8881093", "CSAFPID-8881094", "CSAFPID-8881095", "CSAFPID-8881096", "CSAFPID-8881097", "CSAFPID-8904105", "CSAFPID-3446195", "CSAFPID-1406591", "CSAFPID-8931601", "CSAFPID-9028667", "CSAFPID-7942221", "CSAFPID-9329720", "CSAFPID-9329721", "CSAFPID-9329722", "CSAFPID-9329723", "CSAFPID-9329724", "CSAFPID-9329725" ] }, "references": [ { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss" }, { "category": "external", "summary": "Source - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/Packagist%2FGHSA-j8qw-6jw8-r297.json?alt=media" }, { "category": "external", "summary": "Source - github", "url": "https://api.github.com/advisories/GHSA-j8qw-6jw8-r297" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/59xxx/CVE-2026-59943.json" }, { "category": "external", "summary": "Source - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-59943" }, { "category": "external", "summary": "Source - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/GIT%2FCVE-2026-59943.json?alt=media" }, { "category": "external", "summary": "Source - debian", "url": "https://security-tracker.debian.org/tracker/CVE-2026-59943" }, { "category": "external", "summary": "Source - ncscclear", "url": "https://vulnerabilities.ncsc.nl/manual/CVE-2026-59943" }, { "category": "external", "summary": "Source - oracle", "url": "https://www.oracle.com/a/tech/docs/security-alerts/cspusep2026csaf.json" }, { "category": "external", "summary": "Source - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-3403.json" }, { "category": "external", "summary": "Source - ncscclear", "url": "https://advisories.ncsc.nl/advisory?id=NCSC-2026-0375" }, { "category": "external", "summary": "Reference - github", "url": "https://github.com/advisories/GHSA-j8qw-6jw8-r297" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd; osv", "url": "https://github.com/dompdf/dompdf/commit/6a58996865db05d8fede748507e50ac4b8c5bfd0" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd; osv", "url": "https://github.com/dompdf/dompdf/releases/tag/v3.1.6" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd; osv", "url": "https://github.com/dompdf/dompdf/security/advisories/GHSA-j8qw-6jw8-r297" }, { "category": "external", "summary": "Reference - osv", "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59943.json" }, { "category": "external", "summary": "Reference - osv", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-59943" }, { "category": "external", "summary": "Reference - oracle", "url": "https://www.oracle.com/docs/tech/security-alerts/cspusep2026csaf.json" }, { "category": "external", "summary": "Reference - oracle", "url": "https://www.oracle.com/security-alerts/cspusep2026.html" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-3403.json" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-3403" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://www.oracle.com/security-alerts/cspusep2026.html#AppendixCGBU" } ], "remediations": [ { "category": "vendor_fix", "details": "Oracle customers with valid support contracts", "product_ids": [ "CSAFPID-9028667" ], "url": "https://support.oracle.com/support/?documentId=CPU343" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L", "baseScore": 6.5, "baseSeverity": "MEDIUM" }, "products": [ "CSAFPID-1406591", "CSAFPID-3446194", "CSAFPID-3446195", "CSAFPID-3446196", "CSAFPID-3446197", "CSAFPID-3446198", "CSAFPID-3446199", "CSAFPID-3446200", "CSAFPID-3446201", "CSAFPID-3446202", "CSAFPID-3446203", "CSAFPID-3446204", "CSAFPID-3446205", "CSAFPID-3446206", "CSAFPID-3446207", "CSAFPID-3446208", "CSAFPID-3446209", "CSAFPID-3446210", "CSAFPID-3446211", "CSAFPID-3446212", "CSAFPID-3446213", "CSAFPID-3446214", "CSAFPID-3446215", "CSAFPID-3446216", "CSAFPID-3446217", "CSAFPID-3455966", "CSAFPID-3455967", "CSAFPID-4996836", "CSAFPID-7942221", "CSAFPID-8881084", "CSAFPID-8881085", "CSAFPID-8881086", "CSAFPID-8881087", "CSAFPID-8881088", "CSAFPID-8881089", "CSAFPID-8881090", "CSAFPID-8881091", "CSAFPID-8881092", "CSAFPID-8881093", "CSAFPID-8881094", "CSAFPID-8881095", "CSAFPID-8881096", "CSAFPID-8881097", "CSAFPID-8904105", "CSAFPID-8931601", "CSAFPID-9028667", "CSAFPID-9329720", "CSAFPID-9329721", "CSAFPID-9329722", "CSAFPID-9329723", "CSAFPID-9329724", "CSAFPID-9329725" ] } ], "title": "CVE-2026-59943" } ] }