{ "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-2026-27171", "tracking": { "current_release_date": "2026-03-31T12:28:21.064625Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-27171", "initial_release_date": "2026-02-18T03:38:39.785599Z", "revision_history": [ { "date": "2026-02-18T03:38:39.785599Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (1).| References created (5).| CWES updated (1)." }, { "date": "2026-02-18T03:38:45.191793Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-02-18T04:25:04.048042Z", "number": "3", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (5).| CWES updated (1)." }, { "date": "2026-02-18T04:25:14.413926Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-02-18T07:35:08.329601Z", "number": "5", "summary": "NCSC Score updated." }, { "date": "2026-02-18T10:08:37.320019Z", "number": "6", "summary": "Source created.| CVE status created. (valid)| Products created (1).| References created (3)." }, { "date": "2026-02-18T10:08:42.074373Z", "number": "7", "summary": "NCSC Score updated." }, { "date": "2026-02-18T12:46:47.411465Z", "number": "8", "summary": "Source created.| CVE status created. (valid)| Description created for source.| Products connected (2)." }, { "date": "2026-02-18T12:46:50.538170Z", "number": "9", "summary": "NCSC Score updated." }, { "date": "2026-02-18T14:39:05.030778Z", "number": "10", "summary": "Unknown change." }, { "date": "2026-02-18T14:39:09.659407Z", "number": "11", "summary": "NCSC Score updated." }, { "date": "2026-02-18T15:04:08.404642Z", "number": "12", "summary": "Source created.| CVE status created. (valid)| EPSS created." }, { "date": "2026-02-19T00:28:24.076473Z", "number": "13", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (53).| Product Identifiers created (13).| References created (7).| CWES updated (1).| Vendor_assessment created." }, { "date": "2026-02-19T00:28:31.012916Z", "number": "14", "summary": "NCSC Score updated." }, { "date": "2026-02-20T17:26:07.430907Z", "number": "15", "summary": "Products created (1).| Product Identifiers created (1).| Exploits created (1)." }, { "date": "2026-02-20T17:26:13.551582Z", "number": "16", "summary": "NCSC Score updated." }, { "date": "2026-02-23T03:01:23.425625Z", "number": "17", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (77).| References created (5)." }, { "date": "2026-02-23T03:01:38.509643Z", "number": "18", "summary": "NCSC Score updated." }, { "date": "2026-02-23T18:19:46.753149Z", "number": "19", "summary": "Source connected.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (1).| Product Identifiers created (1).| Product Remediations created (1).| CWES updated (1)." }, { "date": "2026-02-23T18:19:48.544980Z", "number": "20", "summary": "NCSC Score updated." }, { "date": "2026-02-24T05:30:20.540024Z", "number": "21", "summary": "NCSC Score updated." }, { "date": "2026-03-04T13:26:00.237117Z", "number": "22", "summary": "Products connected (1).| Product Identifiers created (1).| References created (1)." }, { "date": "2026-03-04T13:26:02.667848Z", "number": "23", "summary": "NCSC Score updated." }, { "date": "2026-03-05T00:45:42.584432Z", "number": "24", "summary": "Source created.| CVE status created. (valid)| Description created for source.| Products created (4).| References created (3)." }, { "date": "2026-03-12T00:25:02.270101Z", "number": "25", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (1).| Product Threats created (1).| Product Remediations created (1).| Vendor_assessment created." }, { "date": "2026-03-12T00:25:06.807492Z", "number": "26", "summary": "NCSC Score updated." }, { "date": "2026-03-12T18:24:42.385363Z", "number": "27", "summary": "Product Remediations created (1).| Product Remediations removed (1)." }, { "date": "2026-03-14T00:27:29.985087Z", "number": "28", "summary": "Products connected (1).| Product Threats created (1).| Product Remediations created (1).| Products removed (1)." }, { "date": "2026-03-19T09:08:24.449363Z", "number": "29", "summary": "References created (2)." }, { "date": "2026-03-19T09:08:26.108226Z", "number": "30", "summary": "NCSC Score updated." }, { "date": "2026-03-20T09:42:14.759996Z", "number": "31", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-20T09:42:17.328850Z", "number": "32", "summary": "NCSC Score updated." }, { "date": "2026-03-20T18:22:12.417778Z", "number": "33", "summary": "Product Remediations created (1).| Product Remediations removed (1)." }, { "date": "2026-03-20T18:22:16.838653Z", "number": "34", "summary": "NCSC Score updated." }, { "date": "2026-03-25T18:46:30.014747Z", "number": "35", "summary": "Source connected.| CVE status created. (valid)| Description created for source.| Products connected (1).| References created (5)." }, { "date": "2026-03-25T18:46:33.491903Z", "number": "36", "summary": "NCSC Score updated." }, { "date": "2026-03-25T22:24:50.891725Z", "number": "37", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (1).| Product Identifiers created (1).| Exploits created (1).| References created (5).| CWES updated (1)." }, { "date": "2026-03-25T22:24:56.994785Z", "number": "38", "summary": "NCSC Score updated." }, { "date": "2026-03-26T13:06:02.877792Z", "number": "39", "summary": "Products connected (1).| Product Identifiers created (1).| References created (1)." }, { "date": "2026-03-26T13:06:05.798312Z", "number": "40", "summary": "NCSC Score updated." }, { "date": "2026-03-31T00:24:39.329522Z", "number": "41", "summary": "Product Remediations created (1).| Product Remediations removed (1)." }, { "date": "2026-03-31T00:24:50.430940Z", "number": "42", "summary": "NCSC Score updated." }, { "date": "2026-03-31T12:28:12.873667Z", "number": "43", "summary": "NCSC Score updated." } ], "status": "interim", "version": "43" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/unknown", "product": { "name": "vers:unknown/unknown", "product_id": "CSAFPID-1426432", "product_identification_helper": { "cpe": "cpe:/a:ibm:license_metric_tool:-" } } } ], "category": "product_name", "name": "IBM License Metric Tool" } ], "category": "vendor", "name": "IBM" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/5", "product": { "name": "vers:rpm/5", "product_id": "CSAFPID-1459353", "product_identification_helper": { "cpe": "cpe:/a:redhat:logging:5" } } } ], "category": "product_name", "name": "Logging Subsystem for Red Hat OpenShift" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/10", "product": { "name": "vers:rpm/10", "product_id": "CSAFPID-2858634", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:10" } } } ], "category": "product_name", "name": "Red Hat Enterprise Linux 10" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/6", "product": { "name": "vers:rpm/6", "product_id": "CSAFPID-1439321", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:6" } } } ], "category": "product_name", "name": "Red Hat Enterprise Linux 6" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/7", "product": { "name": "vers:rpm/7", "product_id": "CSAFPID-1439315", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:7" } } } ], "category": "product_name", "name": "Red Hat Enterprise Linux 7" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/8", "product": { "name": "vers:rpm/8", "product_id": "CSAFPID-1439317", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:8" } } } ], "category": "product_name", "name": "Red Hat Enterprise Linux 8" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/9", "product": { "name": "vers:rpm/9", "product_id": "CSAFPID-1439319", "product_identification_helper": { 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"branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-1439329" } } ], "category": "product_name", "name": "rhcos" } ], "category": "product_family", "name": "Red Hat OpenShift Container Platform 4" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-2845786" } } ], "category": "product_name", "name": "zlib" } ], "category": "product_family", "name": "Red Hat Enterprise Linux 6" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-2845787" } } ], "category": "product_name", "name": "zlib" } ], "category": "product_family", "name": "Red Hat Enterprise Linux 7" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { 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"name": "vers:unknown/v1.2.1", "product_id": "CSAFPID-4008495" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.1.1", "product": { "name": "vers:unknown/v1.2.1.1", "product_id": "CSAFPID-4008496" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.1.2", "product": { "name": "vers:unknown/v1.2.1.2", "product_id": "CSAFPID-4008497" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.10", "product": { "name": "vers:unknown/v1.2.10", "product_id": "CSAFPID-4008498" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.11", "product": { "name": "vers:unknown/v1.2.11", "product_id": "CSAFPID-4008499" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.12", "product": { "name": "vers:unknown/v1.2.12", "product_id": "CSAFPID-4008500" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.13", "product": { "name": "vers:unknown/v1.2.13", "product_id": "CSAFPID-4008501" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.2", "product": { "name": "vers:unknown/v1.2.2", "product_id": "CSAFPID-4008502" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.2.1", "product": { "name": "vers:unknown/v1.2.2.1", "product_id": "CSAFPID-4008503" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.2.2", "product": { "name": "vers:unknown/v1.2.2.2", "product_id": "CSAFPID-4008504" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.2.3", "product": { "name": "vers:unknown/v1.2.2.3", "product_id": "CSAFPID-4008505" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.2.4", "product": { "name": "vers:unknown/v1.2.2.4", "product_id": "CSAFPID-4008506" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.3", "product": { "name": "vers:unknown/v1.2.3", "product_id": "CSAFPID-4008507" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.3.1", "product": { "name": "vers:unknown/v1.2.3.1", "product_id": "CSAFPID-4008508" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.3.2", "product": { "name": "vers:unknown/v1.2.3.2", "product_id": "CSAFPID-4008509" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.3.3", "product": { "name": "vers:unknown/v1.2.3.3", "product_id": "CSAFPID-4008510" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.3.4", "product": { "name": "vers:unknown/v1.2.3.4", "product_id": "CSAFPID-4008511" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.3.5", "product": { "name": "vers:unknown/v1.2.3.5", "product_id": "CSAFPID-4008512" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.3.6", "product": { "name": "vers:unknown/v1.2.3.6", "product_id": "CSAFPID-4008513" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.3.7", "product": { "name": "vers:unknown/v1.2.3.7", "product_id": "CSAFPID-4008514" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.3.8", "product": { "name": "vers:unknown/v1.2.3.8", "product_id": "CSAFPID-4008515" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.3.9", "product": { "name": "vers:unknown/v1.2.3.9", "product_id": "CSAFPID-4008516" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.4", "product": { "name": "vers:unknown/v1.2.4", "product_id": "CSAFPID-4008517" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.4-pre1", "product": { "name": "vers:unknown/v1.2.4-pre1", "product_id": "CSAFPID-4008518" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.4-pre2", "product": { "name": "vers:unknown/v1.2.4-pre2", "product_id": "CSAFPID-4008519" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.4.1", "product": { "name": "vers:unknown/v1.2.4.1", "product_id": "CSAFPID-4008520" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.4.2", "product": { "name": "vers:unknown/v1.2.4.2", "product_id": "CSAFPID-4008521" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.4.3", "product": { "name": "vers:unknown/v1.2.4.3", "product_id": "CSAFPID-4008522" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.4.4", "product": { "name": "vers:unknown/v1.2.4.4", "product_id": "CSAFPID-4008523" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.4.5", "product": { "name": "vers:unknown/v1.2.4.5", "product_id": "CSAFPID-4008524" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.5", "product": { "name": "vers:unknown/v1.2.5", "product_id": "CSAFPID-4008525" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.5.1", "product": { "name": "vers:unknown/v1.2.5.1", "product_id": "CSAFPID-4008526" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.5.2", "product": { "name": "vers:unknown/v1.2.5.2", "product_id": "CSAFPID-4008527" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.5.3", "product": { "name": "vers:unknown/v1.2.5.3", "product_id": "CSAFPID-4008528" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.6", "product": { "name": "vers:unknown/v1.2.6", "product_id": "CSAFPID-4008529" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.6.1", "product": { "name": "vers:unknown/v1.2.6.1", "product_id": "CSAFPID-4008530" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.7", "product": { "name": "vers:unknown/v1.2.7", "product_id": "CSAFPID-4008531" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.7.1", "product": { "name": "vers:unknown/v1.2.7.1", "product_id": "CSAFPID-4008532" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.7.2", "product": { "name": "vers:unknown/v1.2.7.2", "product_id": "CSAFPID-4008533" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.7.3", "product": { "name": "vers:unknown/v1.2.7.3", "product_id": "CSAFPID-4008534" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.8", "product": { "name": "vers:unknown/v1.2.8", "product_id": "CSAFPID-4008535" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2.9", "product": { "name": "vers:unknown/v1.2.9", "product_id": "CSAFPID-4008536" } }, { "category": "product_version_range", "name": "vers:unknown/v1.3", "product": { "name": "vers:unknown/v1.3", "product_id": "CSAFPID-4008537" } }, { "category": "product_version_range", "name": "vers:unknown/v1.3.1", "product": { "name": "vers:unknown/v1.3.1", "product_id": "CSAFPID-5438563" } }, { "category": "product_version_range", "name": "vers:unknown/v1.3.1.2", "product": { "name": "vers:unknown/v1.3.1.2", "product_id": "CSAFPID-5438564" } } ], "category": "product_name", "name": "zlib" } ], "category": "vendor", "name": "madler" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:semver/<1.3.2", "product": { "name": "vers:semver/<1.3.2", "product_id": "CSAFPID-5627255" } }, { "category": "product_version_range", "name": "vers:unknown/<1.3.2", "product": { "name": "vers:unknown/<1.3.2", "product_id": "CSAFPID-5647084", "product_identification_helper": { "cpe": "cpe:2.3:a:zlib:zlib:*:*:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/>=1.2.12|<1.3.2", "product": { "name": "vers:unknown/>=1.2.12|<1.3.2", "product_id": "CSAFPID-5910683", "product_identification_helper": { "cpe": "cpe:2.3:a:zlib:zlib:*:*:*:*:*:*:*:*" } } } ], "category": "product_name", "name": "zlib" } ], "category": "vendor", "name": "zlib" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-27171", "cwe": { "id": "CWE-1284", "name": "Improper Validation of Specified Quantity in Input" }, "notes": [ { "category": "description", "text": "zlib before 1.3.2 allows CPU consumption via crc32\\_combine64 and crc32\\_combine\\_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.", "title": "microsoft - https://api.msrc.microsoft.com/cvrf/v3.0/cvrf/2026-Feb" }, { "category": "description", "text": "zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.", "title": "cveprojectv5 - https://www.cve.org/CVERecord?id=CVE-2026-27171" }, { "category": "description", "text": "zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.", "title": "nvd - https://nvd.nist.gov/vuln/detail/CVE-2026-27171" }, { "category": "description", "text": "zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.", "title": "debian - https://security-tracker.debian.org/tracker/CVE-2026-27171" }, { "category": "description", "text": "A flaw was found in zlib. An attacker providing specially crafted input to the `crc32_combine64` or `crc32_combine_gen64` functions could trigger an infinite loop within the `x2nmodp` function. This leads to excessive CPU consumption, which can result in a Denial of Service (DoS) for the affected system.", "title": "redhat - https://access.redhat.com/security/cve/CVE-2026-27171" }, { "category": "description", "text": "zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/GIT%2FCVE-2026-27171.json?alt=media" }, { "category": "description", "text": "This update for zlib fixes the following issue:\n\n- CVE-2026-27171: Fixed infinite loop via the `crc32_combine64` and `crc32_combine_gen64` functions due to missing\n checks for negative lengths (bsc#1258392).\n", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/SUSE%2FSUSE-SU-2026:0783-1.json?alt=media" }, { "category": "description", "text": "Multiple NetApp products incorporate zlib. Zlib versions prior to 1.3.2 are susceptible to a vulnerability which when successfully exploited could lead to Denial of Service (DoS).", "title": "netapp - https://security.netapp.com/advisory/ntap-20260311-0015" }, { "category": "description", "text": "This update for zlib fixes the following issues:\n\n- CVE-2026-27171: Fixed an infinite loop via the crc32_combine64 and crc32_combine_gen64 functions due to missing checks for negative lengths. (bsc#1258392)\n- CVE-2023-45853: Fixed an integer overflow and resultant heap-based buffer overflow in zipOpenNewFileInZip4_6. (bsc#1216378)\n", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/SUSE%2FSUSE-SU-2026:20709-1.json?alt=media" }, { "category": "description", "text": "zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.", "title": "nvd - https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-27171" }, { "category": "other", "text": "6e-05", "title": "EPSS" }, { "category": "other", "text": "3.7", "title": "NCSC Score" }, { "category": "other", "text": "VENDOR FIX as product remediation category, 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, Is related to CWE-1284 (Improper Validation of Specified Quantity in Input), Is related to a product by vendor Red Hat", "title": "NCSC Score top decreasing factors" }, { "category": "details", "text": "Severity: 1\n", "title": "Vendor assessment" }, { "category": "details", "text": "Severity: 2\n", "title": "Vendor assessment" } ], "product_status": { "known_affected": [ "CSAFPID-5627255", "CSAFPID-5628188", "CSAFPID-1399655", "CSAFPID-1399656", "CSAFPID-1439315", "CSAFPID-1439317", "CSAFPID-1439319", "CSAFPID-1439321", "CSAFPID-1439326", "CSAFPID-1439328", "CSAFPID-1439329", "CSAFPID-1459353", "CSAFPID-1459355", "CSAFPID-1706524", "CSAFPID-1712389", "CSAFPID-1712390", "CSAFPID-1712391", "CSAFPID-1712396", "CSAFPID-1712397", "CSAFPID-1712400", "CSAFPID-1712401", "CSAFPID-1771923", "CSAFPID-1771924", "CSAFPID-1851434", "CSAFPID-1851448", "CSAFPID-1851450", "CSAFPID-1856236", "CSAFPID-1856237", "CSAFPID-2652741", "CSAFPID-2695636", "CSAFPID-2728509", "CSAFPID-2845786", "CSAFPID-2845787", "CSAFPID-2845788", "CSAFPID-2845789", "CSAFPID-2845790", "CSAFPID-2845791", "CSAFPID-2845792", "CSAFPID-2855724", "CSAFPID-2855725", "CSAFPID-2858634", "CSAFPID-2914696", "CSAFPID-2914697", "CSAFPID-2979983", "CSAFPID-2979984", "CSAFPID-2979986", "CSAFPID-5129934", "CSAFPID-5129947", "CSAFPID-5187689", "CSAFPID-5194587", "CSAFPID-5226034", "CSAFPID-5226036", "CSAFPID-5349369", "CSAFPID-5349370", "CSAFPID-5647084", "CSAFPID-4008463", "CSAFPID-4008464", "CSAFPID-4008465", "CSAFPID-4008466", "CSAFPID-4008467", "CSAFPID-4008468", "CSAFPID-4008469", "CSAFPID-4008470", "CSAFPID-4008471", "CSAFPID-4008472", "CSAFPID-4008473", "CSAFPID-4008474", "CSAFPID-4008475", "CSAFPID-4008476", "CSAFPID-4008477", "CSAFPID-4008478", "CSAFPID-4008479", "CSAFPID-4008480", "CSAFPID-4008481", "CSAFPID-4008482", "CSAFPID-4008483", "CSAFPID-4008484", "CSAFPID-4008485", "CSAFPID-4008486", "CSAFPID-4008487", "CSAFPID-4008488", "CSAFPID-4008489", "CSAFPID-4008490", "CSAFPID-4008491", "CSAFPID-4008492", "CSAFPID-4008493", "CSAFPID-4008494", "CSAFPID-4008495", "CSAFPID-4008496", "CSAFPID-4008497", "CSAFPID-4008498", "CSAFPID-4008499", "CSAFPID-4008500", "CSAFPID-4008501", "CSAFPID-4008502", "CSAFPID-4008503", "CSAFPID-4008504", "CSAFPID-4008505", "CSAFPID-4008506", "CSAFPID-4008507", "CSAFPID-4008508", "CSAFPID-4008509", "CSAFPID-4008510", "CSAFPID-4008511", "CSAFPID-4008512", "CSAFPID-4008513", "CSAFPID-4008514", "CSAFPID-4008515", "CSAFPID-4008516", "CSAFPID-4008517", "CSAFPID-4008518", "CSAFPID-4008519", "CSAFPID-4008520", "CSAFPID-4008521", "CSAFPID-4008522", "CSAFPID-4008523", "CSAFPID-4008524", "CSAFPID-4008525", "CSAFPID-4008526", "CSAFPID-4008527", "CSAFPID-4008528", "CSAFPID-4008529", "CSAFPID-4008530", "CSAFPID-4008531", "CSAFPID-4008532", "CSAFPID-4008533", "CSAFPID-4008534", "CSAFPID-4008535", "CSAFPID-4008536", "CSAFPID-4008537", "CSAFPID-5438563", "CSAFPID-5438564", "CSAFPID-5674310", "CSAFPID-1317174", "CSAFPID-5760572", "CSAFPID-5760573", "CSAFPID-5760574", "CSAFPID-5760575", "CSAFPID-2245385", "CSAFPID-5908684", "CSAFPID-5910683", "CSAFPID-1426432" ], "known_not_affected": [ "CSAFPID-1459358", "CSAFPID-1459361", "CSAFPID-2876286" ] }, "references": [ { "category": "external", "summary": "Source - cveprojectv5", "url": "https://www.cve.org/CVERecord?id=CVE-2026-27171" }, { "category": "external", "summary": "Source raw - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/27xxx/CVE-2026-27171.json" }, { "category": "external", "summary": "Source - nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-27171" }, { "category": "external", "summary": "Source raw - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-27171" }, { "category": "external", "summary": "Source - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0435.json" }, { "category": "external", "summary": "Source - debian", "url": "https://security-tracker.debian.org/tracker/CVE-2026-27171" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-27171" }, { "category": "external", "summary": "Source raw - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Source - redhat", "url": "https://access.redhat.com/security/cve/CVE-2026-27171" }, { "category": "external", "summary": "Source raw - redhat", "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-27171.json" }, { "category": "external", "summary": "Source - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/GIT%2FCVE-2026-27171.json?alt=media" }, { "category": "external", "summary": "Source - microsoft", "url": "https://api.msrc.microsoft.com/cvrf/v3.0/cvrf/2026-Feb" }, { "category": "external", "summary": "Source - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/SUSE%2FSUSE-SU-2026:0783-1.json?alt=media" }, { "category": "external", "summary": "Source - netapp", "url": "https://security.netapp.com/advisory/ntap-20260311-0015" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Source - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/SUSE%2FSUSE-SU-2026:20709-1.json?alt=media" }, { "category": "external", "summary": "Source - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-27171" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd; osv; redhat", "url": "https://github.com/madler/zlib/issues/904" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd; osv; redhat", "url": "https://7asecurity.com/reports/pentest-report-zlib-RC1.1.pdf" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd; osv; redhat", "url": "https://7asecurity.com/blog/2026/02/zlib-7asecurity-audit/" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd; osv; redhat", "url": "https://ostif.org/zlib-audit-complete/" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd; osv; redhat", "url": "https://github.com/madler/zlib/releases/tag/v1.3.2" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0435.json" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0435" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://github.com/advisories/GHSA-h858-mf2m-8jf4" }, { "category": "external", "summary": "Reference - redhat", "url": "https://www.cve.org/CVERecord?id=CVE-2026-27171" }, { "category": "external", "summary": "Reference - redhat", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-27171" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-March/024535.html" }, { "category": "external", "summary": "Reference - osv", "url": "https://www.suse.com/support/update/announcement/2026/suse-su-20260783-1/" }, { "category": "external", "summary": "Reference - osv", "url": "https://bugzilla.suse.com/1258392" }, { "category": "external", "summary": "Reference - osv", "url": "https://www.suse.com/security/cve/CVE-2026-27171" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-March/024717.html" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-March/024752.html" }, { "category": "external", "summary": "Reference - osv", "url": "https://www.suse.com/support/update/announcement/2026/suse-su-202620709-1/" }, { "category": "external", "summary": "Reference - osv", "url": "https://bugzilla.suse.com/1216378" }, { "category": "external", "summary": "Reference - osv", "url": "https://www.suse.com/security/cve/CVE-2023-45853" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://www.ibm.com/support/pages/node/7267653" } ], "remediations": [ { "category": "vendor_fix", "details": "CBL-Mariner Releases", "product_ids": [ "CSAFPID-5674310" ] }, { "category": "none_available", "details": "No fix or other remediation is available at this time.", "product_ids": [ "CSAFPID-2245385" ] } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "baseScore": 5.5, "baseSeverity": "MEDIUM" }, "products": [ "CSAFPID-1317174", "CSAFPID-1399655", "CSAFPID-1399656", "CSAFPID-1426432", "CSAFPID-1439315", "CSAFPID-1439317", "CSAFPID-1439319", "CSAFPID-1439321", "CSAFPID-1439326", "CSAFPID-1439328", "CSAFPID-1439329", "CSAFPID-1459353", "CSAFPID-1459355", "CSAFPID-1706524", "CSAFPID-1712389", "CSAFPID-1712390", "CSAFPID-1712391", "CSAFPID-1712396", "CSAFPID-1712397", "CSAFPID-1712400", "CSAFPID-1712401", "CSAFPID-1771923", "CSAFPID-1771924", "CSAFPID-1851434", "CSAFPID-1851448", "CSAFPID-1851450", "CSAFPID-1856236", "CSAFPID-1856237", "CSAFPID-2245385", "CSAFPID-2652741", "CSAFPID-2695636", "CSAFPID-2728509", "CSAFPID-2845786", "CSAFPID-2845787", "CSAFPID-2845788", "CSAFPID-2845789", "CSAFPID-2845790", "CSAFPID-2845791", "CSAFPID-2845792", "CSAFPID-2855724", "CSAFPID-2855725", "CSAFPID-2858634", "CSAFPID-2914696", "CSAFPID-2914697", "CSAFPID-2979983", "CSAFPID-2979984", "CSAFPID-2979986", "CSAFPID-4008463", "CSAFPID-4008464", "CSAFPID-4008465", "CSAFPID-4008466", "CSAFPID-4008467", "CSAFPID-4008468", "CSAFPID-4008469", "CSAFPID-4008470", "CSAFPID-4008471", "CSAFPID-4008472", "CSAFPID-4008473", "CSAFPID-4008474", "CSAFPID-4008475", "CSAFPID-4008476", "CSAFPID-4008477", "CSAFPID-4008478", "CSAFPID-4008479", "CSAFPID-4008480", "CSAFPID-4008481", "CSAFPID-4008482", "CSAFPID-4008483", "CSAFPID-4008484", "CSAFPID-4008485", "CSAFPID-4008486", "CSAFPID-4008487", "CSAFPID-4008488", "CSAFPID-4008489", "CSAFPID-4008490", "CSAFPID-4008491", "CSAFPID-4008492", "CSAFPID-4008493", "CSAFPID-4008494", "CSAFPID-4008495", "CSAFPID-4008496", "CSAFPID-4008497", "CSAFPID-4008498", "CSAFPID-4008499", "CSAFPID-4008500", "CSAFPID-4008501", "CSAFPID-4008502", "CSAFPID-4008503", "CSAFPID-4008504", "CSAFPID-4008505", "CSAFPID-4008506", "CSAFPID-4008507", "CSAFPID-4008508", "CSAFPID-4008509", "CSAFPID-4008510", "CSAFPID-4008511", "CSAFPID-4008512", "CSAFPID-4008513", "CSAFPID-4008514", "CSAFPID-4008515", "CSAFPID-4008516", "CSAFPID-4008517", "CSAFPID-4008518", "CSAFPID-4008519", "CSAFPID-4008520", "CSAFPID-4008521", "CSAFPID-4008522", "CSAFPID-4008523", "CSAFPID-4008524", "CSAFPID-4008525", "CSAFPID-4008526", "CSAFPID-4008527", "CSAFPID-4008528", "CSAFPID-4008529", "CSAFPID-4008530", "CSAFPID-4008531", "CSAFPID-4008532", "CSAFPID-4008533", "CSAFPID-4008534", "CSAFPID-4008535", "CSAFPID-4008536", "CSAFPID-4008537", "CSAFPID-5129934", "CSAFPID-5129947", "CSAFPID-5187689", "CSAFPID-5194587", "CSAFPID-5226034", "CSAFPID-5226036", "CSAFPID-5349369", "CSAFPID-5349370", "CSAFPID-5438563", "CSAFPID-5438564", "CSAFPID-5627255", "CSAFPID-5628188", "CSAFPID-5647084", "CSAFPID-5674310", "CSAFPID-5760572", "CSAFPID-5760573", "CSAFPID-5760574", "CSAFPID-5760575", "CSAFPID-5908684", "CSAFPID-5910683" ] } ], "threats": [ { "category": "impact", "details": "Successful exploitation of this vulnerability could lead to Denial of Service (DoS).", "product_ids": [ "CSAFPID-2245385" ] } ], "title": "CVE-2026-27171" } ] }