{ "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-2026-2921", "tracking": { "current_release_date": "2026-04-01T14:14:12.245604Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-2921", "initial_release_date": "2026-01-13T19:41:47.075923Z", "revision_history": [ { "date": "2026-01-13T19:41:47.075923Z", "number": "1", "summary": "NCSC Score created." }, { "date": "2026-02-26T11:05:32.505416Z", "number": "2", "summary": "Source connected.| CVE status created. (valid)| Products connected (4).| References created (14)." }, { "date": "2026-02-26T11:05:35.204204Z", "number": "3", "summary": "NCSC Score updated." }, { "date": "2026-03-07T11:35:11.589502Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-03-10T18:43:15.393516Z", "number": "5", "summary": "Source created.| CVE status created. (valid)| Products connected (2)." }, { "date": "2026-03-10T18:43:18.603132Z", "number": "6", "summary": "NCSC Score updated." }, { "date": "2026-03-13T21:39:26.001338Z", "number": "7", "summary": "Source created.| CVE status created. (valid)| Description created for source.| Products connected (1).| References created (2).| CWES updated (1)." }, { "date": "2026-03-13T21:39:27.975665Z", "number": "8", "summary": "NCSC Score updated." }, { "date": "2026-03-14T06:43:07.317180Z", "number": "9", "summary": "Description created for source." }, { "date": "2026-03-14T14:53:22.596615Z", "number": "10", "summary": "Source created.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-14T14:53:28.788870Z", "number": "11", "summary": "NCSC Score updated." }, { "date": "2026-03-16T14:33:22.679088Z", "number": "12", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (2).| CWES updated (1)." }, { "date": "2026-03-16T14:33:25.949862Z", "number": "13", "summary": "NCSC Score updated." }, { "date": "2026-03-16T16:38:56.167470Z", "number": "14", "summary": "Unknown change." }, { "date": "2026-03-17T00:27:52.609656Z", "number": "15", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (12).| Product Identifiers created (5).| Product Remediations created (12).| References created (4).| CWES updated (1).| Vendor_assessment created." }, { "date": "2026-03-17T00:28:05.530531Z", "number": "16", "summary": "NCSC Score updated." }, { "date": "2026-03-17T19:26:06.070612Z", "number": "17", "summary": "Products connected (1).| Product Identifiers created (1)." }, { "date": "2026-03-17T19:26:10.225031Z", "number": "18", "summary": "NCSC Score updated." }, { "date": "2026-03-18T00:43:06.149613Z", "number": "19", "summary": "Products created (1).| Product Identifiers created (1).| Products removed (1)." }, { "date": "2026-03-18T09:30:00.555126Z", "number": "20", "summary": "Products connected (1).| References created (1)." }, { "date": "2026-03-18T09:30:03.222785Z", "number": "21", "summary": "NCSC Score updated." }, { "date": "2026-03-20T09:35:17.859237Z", "number": "22", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-20T09:35:20.807909Z", "number": "23", "summary": "NCSC Score updated." }, { "date": "2026-03-25T10:14:43.780612Z", "number": "24", "summary": "Products connected (1).| References created (1)." }, { "date": "2026-03-25T10:14:45.567790Z", "number": "25", "summary": "NCSC Score updated." }, { "date": "2026-03-28T13:27:24.991211Z", "number": "26", "summary": "NCSC Score updated." }, { "date": "2026-03-29T12:38:41.749050Z", "number": "27", "summary": "Source created.| CVE status created. (valid)| Description created for source.| Products connected (1).| References created (3).| CWES updated (1).| Unknown change." }, { "date": "2026-03-29T12:43:37.143554Z", "number": "28", "summary": "Products created (1).| Product Identifiers created (1).| Products removed (1)." }, { "date": "2026-03-29T12:43:42.802536Z", "number": "29", "summary": "NCSC Score updated." }, { "date": "2026-03-29T13:24:40.043832Z", "number": "30", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (1).| Product Identifiers created (1).| References created (3).| CWES updated (1)." }, { "date": "2026-03-30T11:12:04.545378Z", "number": "31", "summary": "Products connected (1).| References created (3)." }, { "date": "2026-03-30T11:12:06.491135Z", "number": "32", "summary": "NCSC Score updated." }, { "date": "2026-03-31T11:09:30.642774Z", "number": "33", "summary": "Products connected (1).| References created (2)." }, { "date": "2026-03-31T11:09:32.968306Z", "number": "34", "summary": "NCSC Score updated." }, { "date": "2026-04-01T00:28:19.807491Z", "number": "35", "summary": "Source connected.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (23).| Product Remediations created (46).| Product Identifiers created (85).| Product Identifiers removed (85).| References created (15).| CWES updated (1)." }, { "date": "2026-04-01T00:28:28.968937Z", "number": "36", "summary": "NCSC Score updated." }, { "date": "2026-04-01T14:13:43.495804Z", "number": "37", "summary": "Products connected (1).| References created (2)." }, { "date": "2026-04-01T14:13:53.175885Z", "number": "38", "summary": "NCSC Score updated." } ], "status": "interim", "version": "38" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/unknown", "product": { "name": "vers:unknown/unknown", "product_id": "CSAFPID-1295663", "product_identification_helper": { "cpe": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*" } } } ], "category": "product_name", "name": "Debian Linux" }, { "branches": [ { "branches": [ { 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"product_id": "CSAFPID-5969763", "product_identification_helper": { "purl": "pkg:rpm/redhat/gstreamer1-plugins-ugly-free@1.24.11-2.el10_1?arch=x86_64" } } } ], "category": "product_name", "name": "gstreamer1-plugins-ugly-free" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/1.24.11-2.el10_1", "product": { "name": "vers:rpm/1.24.11-2.el10_1", "product_id": "CSAFPID-5969764", "product_identification_helper": { "purl": "pkg:rpm/redhat/gstreamer1-plugins-ugly-free-debuginfo@1.24.11-2.el10_1?arch=x86_64" } } } ], "category": "product_name", "name": "gstreamer1-plugins-ugly-free-debuginfo" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/1.24.11-2.el10_1", "product": { "name": "vers:rpm/1.24.11-2.el10_1", "product_id": "CSAFPID-5969765", "product_identification_helper": { "purl": "pkg:rpm/redhat/gstreamer1-plugins-ugly-free-debugsource@1.24.11-2.el10_1?arch=x86_64" } } } ], "category": "product_name", "name": "gstreamer1-plugins-ugly-free-debugsource" } ], "category": "product_family", "name": "Red Hat Enterprise Linux" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-2861753" } } ], "category": "product_name", "name": "gstreamer" } ], "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-2861754" } } ], "category": "product_name", "name": "gstreamer" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-2861755" } } ], "category": "product_name", "name": "gstreamer1" } ], "category": "product_family", "name": "Red Hat Enterprise Linux 7" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-2861752" } } ], "category": "product_name", "name": "gstreamer1" } ], "category": "product_family", "name": "Red Hat Enterprise Linux 10" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-2861756" } } ], "category": "product_name", "name": "gstreamer1" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-2861757" } } ], "category": "product_name", "name": "mingw-gstreamer1" } ], "category": "product_family", "name": "Red Hat Enterprise Linux 8" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-2861758" } } ], "category": "product_name", "name": "gstreamer1" } ], "category": "product_family", "name": "Red Hat Enterprise Linux 9" } ], "category": "vendor", "name": "Red Hat" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/unknown", "product": { "name": "vers:unknown/unknown", "product_id": "CSAFPID-1317176", "product_identification_helper": { "cpe": "cpe:/o:suse:opensuse:-" } } } ], "category": "product_name", "name": "SUSE openSUSE" }, { "branches": [ { "category": "product_version_range", "name": "vers:unknown/unknown", "product": { "name": "vers:unknown/unknown", "product_id": "CSAFPID-1317174", "product_identification_helper": { "cpe": "cpe:/o:suse:suse_linux:-" } } } ], "category": "product_name", "name": "SuSE Linux" } ], "category": "vendor", "name": "SUSE" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/unknown", "product": { "name": "vers:unknown/unknown", "product_id": "CSAFPID-1330299", "product_identification_helper": { "cpe": "cpe:/o:canonical:ubuntu_linux:10.04:-:lts" } } } ], "category": "product_name", "name": "Ubuntu Linux" } ], "category": "vendor", "name": "Ubuntu" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-2921", "cwe": { "id": "CWE-190", "name": "Integer Overflow or Wraparound" }, "notes": [ { "category": "description", "text": "GStreamer RIFF Palette Integer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation.\n\nThe specific flaw exists within the handling of palette data in AVI files. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before writing to memory. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28854.", "title": "cveprojectv5 - https://www.cve.org/CVERecord?id=CVE-2026-2921" }, { "category": "description", "text": "GStreamer RIFF Palette Integer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation. The specific flaw exists within the handling of palette data in AVI files. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before writing to memory. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28854.", "title": "debian - https://security-tracker.debian.org/tracker/CVE-2026-2921" }, { "category": "description", "text": "GStreamer RIFF Palette Integer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation.\n\nThe specific flaw exists within the handling of palette data in AVI files. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before writing to memory. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28854.", "title": "nvd - https://nvd.nist.gov/vuln/detail/CVE-2026-2921" }, { "category": "description", "text": "A flaw was found in GStreamer. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. The flaw exists within the handling of palette data in AVI files, where a lack of proper validation of user-supplied data can lead to an integer overflow before writing to memory. An attacker can leverage this integer overflow to execute code in the context of the current process.\nThis is an IMPORTANT vulnerability in GStreamer that allows arbitrary code execution. The flaw occurs due to an integer overflow when processing palette data in specially crafted AVI files. Exploitation requires a user to process a malicious AVI file with an application linked against the GStreamer library.", "title": "redhat - https://access.redhat.com/security/cve/CVE-2026-2921" }, { "category": "description", "text": "GStreamer RIFF Palette Integer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation.\n\nThe specific flaw exists within the handling of palette data in AVI files. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before writing to memory. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28854.", "title": "cveprojectv5 - https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/2xxx/CVE-2026-2921.json" }, { "category": "description", "text": "GStreamer RIFF Palette Integer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation.\n\nThe specific flaw exists within the handling of palette data in AVI files. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before writing to memory. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28854.", "title": "nvd - https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-2921" }, { "category": "description", "text": "A flaw was found in GStreamer. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. The flaw exists within the handling of palette data in AVI files, where a lack of proper validation of user-supplied data can lead to an integer overflow before writing to memory. An attacker can leverage this integer overflow to execute code in the context of the current process.", "title": "redhat - https://access.redhat.com/hydra/rest/securitydata/csaf/RHSA-2026:6259.json" }, { "category": "other", "text": "0.00068", "title": "EPSS" }, { "category": "other", "text": "4.2", "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": "Is related to (a version of) an uncommon product, Is related to a product by vendor Debian, The value of the most recent EPSS score, Is related to a product by vendor Open Source", "title": "NCSC Score top decreasing factors" }, { "category": "details", "text": "Severity: 3\n", "title": "Vendor assessment" } ], "product_status": { "first_fixed": [ "CSAFPID-5840725", "CSAFPID-5961408" ], "fixed": [ "CSAFPID-5969745", "CSAFPID-5969746", "CSAFPID-5969747", "CSAFPID-5969748", "CSAFPID-5969749", "CSAFPID-5969750", "CSAFPID-5969751", "CSAFPID-5969752", "CSAFPID-5969753", "CSAFPID-5969754", "CSAFPID-5969755", "CSAFPID-5969756", "CSAFPID-5969757", "CSAFPID-5969758", "CSAFPID-5969759", "CSAFPID-5969760", "CSAFPID-5969761", "CSAFPID-5969762", "CSAFPID-5969763", "CSAFPID-5969764", "CSAFPID-5969765" ], "known_affected": [ "CSAFPID-5726736", "CSAFPID-5726737", "CSAFPID-5726738", "CSAFPID-5726739", "CSAFPID-5826008", "CSAFPID-1439315", "CSAFPID-1439317", "CSAFPID-1439319", "CSAFPID-1439321", "CSAFPID-2858634", "CSAFPID-2861752", "CSAFPID-2861753", "CSAFPID-2861754", "CSAFPID-2861755", "CSAFPID-2861756", "CSAFPID-2861757", "CSAFPID-2861758", "CSAFPID-5839045", "CSAFPID-1295663", "CSAFPID-1317174", "CSAFPID-1317176", "CSAFPID-1330299", "CSAFPID-1317175" ] }, "references": [ { "category": "external", "summary": "Source - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0525.json" }, { "category": "external", "summary": "Source - debian", "url": "https://security-tracker.debian.org/tracker/CVE-2026-2921" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://www.cve.org/CVERecord?id=CVE-2026-2921" }, { "category": "external", "summary": "Source raw - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/2xxx/CVE-2026-2921.json" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-2921" }, { "category": "external", "summary": "Source raw - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Source - nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2921" }, { "category": "external", "summary": "Source raw - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-2921" }, { "category": "external", "summary": "Source - redhat", "url": "https://access.redhat.com/security/cve/CVE-2026-2921" }, { "category": "external", "summary": "Source raw - redhat", "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-2921.json" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/2xxx/CVE-2026-2921.json" }, { "category": "external", "summary": "Source - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-2921" }, { "category": "external", "summary": "Source - redhat", "url": "https://access.redhat.com/hydra/rest/securitydata/csaf/RHSA-2026:6259.json" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0525.json" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0525" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://gstreamer.freedesktop.org/security/sa-2026-0001.html" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://gstreamer.freedesktop.org/security/sa-2026-0002.html" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://gstreamer.freedesktop.org/security/sa-2026-0003.html" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://gstreamer.freedesktop.org/security/sa-2026-0004.html" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://gstreamer.freedesktop.org/security/sa-2026-0005.html" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://gstreamer.freedesktop.org/security/sa-2026-0006.html" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://gstreamer.freedesktop.org/security/sa-2026-0007.html" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://gstreamer.freedesktop.org/security/sa-2026-0008.html" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://gstreamer.freedesktop.org/security/sa-2026-0009.html" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://gstreamer.freedesktop.org/security/sa-2026-0010.html" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://gstreamer.freedesktop.org/security/sa-2026-0011.html" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://gstreamer.freedesktop.org/security/sa-2026-0012.html" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd; redhat", "url": "https://www.zerodayinitiative.com/advisories/ZDI-26-168/" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd; redhat", "url": "https://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/e3a99c35266fc92dd6a18ac5fde028d0cda559e6" }, { "category": "external", "summary": "Reference - redhat", "url": "https://www.cve.org/CVERecord?id=CVE-2026-2921" }, { "category": "external", "summary": "Reference - redhat", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2921" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://lists.debian.org/debian-security-announce/2026/msg00076.html" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-March/024897.html" }, { "category": "external", "summary": "Reference - certbundde; cveprojectv5; nvd", "url": "https://lists.debian.org/debian-lts-announce/2026/03/msg00018.html" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/ZDKDIN2WNGBRBR3WLPM2DKIOENYVBTHM/" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://lists.debian.org/debian-lts-announce/2026/03/msg00019.html" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://ubuntu.com/security/notices/USN-8130-1" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://ubuntu.com/security/notices/USN-8131-1" }, { "category": "external", "summary": "Reference - redhat", "url": "https://access.redhat.com/security/cve/CVE-2026-2921" }, { "category": "external", "summary": "Reference - redhat", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2447496" }, { "category": "external", "summary": "Reference - certbundde; redhat", "url": "https://access.redhat.com/errata/RHSA-2026:6259" }, { "category": "external", "summary": "Reference - redhat", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "Reference - redhat", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2447490" }, { "category": "external", "summary": "Reference - redhat", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2447492" }, { "category": "external", "summary": "Reference - redhat", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2447495" }, { "category": "external", "summary": "Reference - redhat", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2447498" }, { "category": "external", "summary": "Reference - redhat", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2447500" }, { "category": "external", "summary": "Reference - redhat", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2447503" }, { "category": "external", "summary": "Reference - redhat", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_6259.json" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://access.redhat.com/errata/RHSA-2026:6300" } ], "remediations": [ { "category": "mitigation", "details": "To mitigate this issue, avoid processing untrusted AVI media files with applications that use the GStreamer library. Users should exercise caution when opening or playing AVI files from unknown or suspicious sources.", "product_ids": [ "CSAFPID-1439315", "CSAFPID-1439317", "CSAFPID-1439319", "CSAFPID-1439321", "CSAFPID-2858634", "CSAFPID-2861752", "CSAFPID-2861753", "CSAFPID-2861754", "CSAFPID-2861755", "CSAFPID-2861756", "CSAFPID-2861757", "CSAFPID-2861758" ] }, { "category": "vendor_fix", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "CSAFPID-5180271", "CSAFPID-5180289", "CSAFPID-5969745", "CSAFPID-5969746", "CSAFPID-5969747", "CSAFPID-5969748", "CSAFPID-5969749", "CSAFPID-5969750", "CSAFPID-5969751", "CSAFPID-5969752", "CSAFPID-5969753", "CSAFPID-5969754", "CSAFPID-5969755", "CSAFPID-5969756", "CSAFPID-5969757", "CSAFPID-5969758", "CSAFPID-5969759", "CSAFPID-5969760", "CSAFPID-5969761", "CSAFPID-5969762", "CSAFPID-5969763", "CSAFPID-5969764", "CSAFPID-5969765" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2026:6259" }, { "category": "workaround", "details": "To mitigate this issue, avoid processing untrusted AVI media files with applications that use the GStreamer library. Users should exercise caution when opening or playing AVI files from unknown or suspicious sources.", "product_ids": [ "CSAFPID-5180271", "CSAFPID-5180289", "CSAFPID-5969745", "CSAFPID-5969746", "CSAFPID-5969747", "CSAFPID-5969748", "CSAFPID-5969749", "CSAFPID-5969750", "CSAFPID-5969751", "CSAFPID-5969752", "CSAFPID-5969753", "CSAFPID-5969754", "CSAFPID-5969755", "CSAFPID-5969756", "CSAFPID-5969757", "CSAFPID-5969758", "CSAFPID-5969759", "CSAFPID-5969760", "CSAFPID-5969761", "CSAFPID-5969762", "CSAFPID-5969763", "CSAFPID-5969764", "CSAFPID-5969765" ] } ], "scores": [ { "cvss_v3": { "version": "3.0", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH" }, "products": [ "CSAFPID-1295663", "CSAFPID-1317174", "CSAFPID-1317175", "CSAFPID-1317176", "CSAFPID-1330299", "CSAFPID-1439315", "CSAFPID-1439317", "CSAFPID-1439319", "CSAFPID-1439321", "CSAFPID-2858634", "CSAFPID-2861752", "CSAFPID-2861753", "CSAFPID-2861754", "CSAFPID-2861755", "CSAFPID-2861756", "CSAFPID-2861757", "CSAFPID-2861758", "CSAFPID-5726736", "CSAFPID-5726737", "CSAFPID-5726738", "CSAFPID-5726739", "CSAFPID-5826008", "CSAFPID-5839045" ] } ], "title": "CVE-2026-2921" } ] }