{ "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-2026-2923", "tracking": { "current_release_date": "2026-04-02T00:43:47.591081Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-2923", "initial_release_date": "2026-02-26T11:05:33.482948Z", "revision_history": [ { "date": "2026-02-26T11:05:33.482948Z", "number": "1", "summary": "CVE created.| Source connected.| CVE status created. (valid)| Products connected (4).| References created (14)." }, { "date": "2026-02-26T11:05:36.286461Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-03-07T11:35:11.589502Z", "number": "3", "summary": "NCSC Score updated." }, { "date": "2026-03-10T18:43:16.680600Z", "number": "4", "summary": "Source created.| CVE status created. (valid)| Products connected (2)." }, { "date": "2026-03-10T18:43:18.603132Z", "number": "5", "summary": "NCSC Score updated." }, { "date": "2026-03-13T21:39:26.789961Z", "number": "6", "summary": "Source created.| CVE status created. (valid)| Description created for source.| Products connected (1).| References created (2).| CWES updated (1)." }, { "date": "2026-03-13T21:39:29.130207Z", "number": "7", "summary": "NCSC Score updated." }, { "date": "2026-03-14T06:43:05.242118Z", "number": "8", "summary": "Description created for source." }, { "date": "2026-03-14T14:53:22.210565Z", "number": "9", "summary": "Source created.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-14T14:53:28.788870Z", "number": "10", "summary": "NCSC Score updated." }, { "date": "2026-03-16T14:33:33.629010Z", "number": "11", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (2).| CWES updated (1)." }, { "date": "2026-03-16T14:33:37.251803Z", "number": "12", "summary": "NCSC Score updated." }, { "date": "2026-03-16T15:27:08.335425Z", "number": "13", "summary": "NCSC Score updated." }, { "date": "2026-03-16T20:39:47.630163Z", "number": "14", "summary": "Unknown change." }, { "date": "2026-03-16T20:39:50.860479Z", "number": "15", "summary": "NCSC Score updated." }, { "date": "2026-03-17T00:27:58.489989Z", "number": "16", "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": "17", "summary": "NCSC Score updated." }, { "date": "2026-03-17T19:26:07.617608Z", "number": "18", "summary": "Products connected (1).| Product Identifiers created (1)." }, { "date": "2026-03-17T19:26:10.225031Z", "number": "19", "summary": "NCSC Score updated." }, { "date": "2026-03-18T09:30:02.034905Z", "number": "20", "summary": "Products connected (1).| References created (1)." }, { "date": "2026-03-18T09:30:05.492067Z", "number": "21", "summary": "NCSC Score updated." }, { "date": "2026-03-20T09:35:17.118578Z", "number": "22", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-20T09:35:19.356263Z", "number": "23", "summary": "NCSC Score updated." }, { "date": "2026-03-25T10:14:45.211319Z", "number": "24", "summary": "Products connected (1).| References created (1)." }, { "date": "2026-03-25T10:14:48.179427Z", "number": "25", "summary": "NCSC Score updated." }, { "date": "2026-03-30T11:12:06.453032Z", "number": "26", "summary": "Products connected (1).| References created (3)." }, { "date": "2026-03-30T11:12:08.562130Z", "number": "27", "summary": "NCSC Score updated." }, { "date": "2026-03-31T11:09:32.515708Z", "number": "28", "summary": "Products connected (1).| References created (2)." }, { "date": "2026-03-31T11:09:34.919007Z", "number": "29", "summary": "NCSC Score updated." }, { "date": "2026-04-01T00:28:36.411291Z", "number": "30", "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": "2026-04-01T00:28:51.423476Z", "number": "31", "summary": "NCSC Score updated." }, { "date": "2026-04-01T14:13:45.458611Z", "number": "32", "summary": "Products connected (1).| References created (2)." }, { "date": "2026-04-01T14:13:53.175885Z", "number": "33", "summary": "NCSC Score updated." }, { "date": "2026-04-02T00:43:13.426805Z", "number": "34", "summary": "Products connected (1).| Product Identifiers created (1).| Products removed (1)." }, { "date": "2026-04-02T00:43:17.881270Z", "number": "35", "summary": "NCSC Score updated." } ], "status": "interim", "version": "35" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/unknown", "product": { "name": 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"vers:rpm/1.24.11-2.el10_1", "product": { "name": "vers:rpm/1.24.11-2.el10_1", "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:-" } } } ], "category": "product_name", "name": "Ubuntu Linux" } ], "category": "vendor", "name": "Ubuntu" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-2923", "cwe": { "id": "CWE-787", "name": "Out-of-bounds Write" }, "notes": [ { "category": "description", "text": "GStreamer DVB Subtitles Out-Of-Bounds Write 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 coordinates. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28838.", "title": "cveprojectv5 - https://www.cve.org/CVERecord?id=CVE-2026-2923" }, { "category": "description", "text": "GStreamer DVB Subtitles Out-Of-Bounds Write 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 coordinates. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28838.", "title": "debian - https://security-tracker.debian.org/tracker/CVE-2026-2923" }, { "category": "description", "text": "GStreamer DVB Subtitles Out-Of-Bounds Write 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 coordinates. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28838.", "title": "nvd - https://nvd.nist.gov/vuln/detail/CVE-2026-2923" }, { "category": "description", "text": "A flaw was found in GStreamer. This out-of-bounds write vulnerability in the DVB (Digital Video Broadcasting) Subtitles handling allows remote attackers to execute arbitrary code. The issue stems from improper validation of user-supplied coordinate data, which can lead to writing beyond the boundaries of an allocated memory buffer. Successful exploitation can result in arbitrary code execution within the context of the current process.\nIMPORTANT: A vulnerability in GStreamer's DVB subtitles component allows remote code execution due to an out-of-bounds write caused by improper validation of user-supplied data. This affects Red Hat Enterprise Linux versions that include GStreamer. Exploitation requires interaction with the GStreamer library, typically through processing malicious DVB subtitle streams.", "title": "redhat - https://access.redhat.com/security/cve/CVE-2026-2923" }, { "category": "description", "text": "A flaw was found in GStreamer. This out-of-bounds write vulnerability in the DVB (Digital Video Broadcasting) Subtitles handling allows remote attackers to execute arbitrary code. The issue stems from improper validation of user-supplied coordinate data, which can lead to writing beyond the boundaries of an allocated memory buffer. Successful exploitation can result in arbitrary code execution within the context of the current process.", "title": "redhat - https://access.redhat.com/hydra/rest/securitydata/csaf/RHSA-2026:6259.json" }, { "category": "other", "text": "0.00086", "title": "EPSS" }, { "category": "other", "text": "4.1", "title": "NCSC Score" }, { "category": "other", "text": "VENDOR FIX as product remediation category", "title": "NCSC Score top increasing factors" }, { "category": "other", "text": "Is related to (a version of) an uncommon product, The value of the most recent EPSS score, Is related to a product by vendor Debian, 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-5983443" ], "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-2859886", "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-2026-2923" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://www.cve.org/CVERecord?id=CVE-2026-2923" }, { "category": "external", "summary": "Source raw - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/2xxx/CVE-2026-2923.json" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-2923" }, { "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-2026-2923" }, { "category": "external", "summary": "Source raw - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-2923" }, { "category": "external", "summary": "Source - redhat", "url": "https://access.redhat.com/security/cve/CVE-2026-2923" }, { "category": "external", "summary": "Source raw - redhat", "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-2923.json" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "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-26-161/" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd; redhat", "url": "https://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/3b8253f447bcc9831dbf643d2c69b205fedbe086" }, { "category": "external", "summary": "Reference - redhat", "url": "https://www.cve.org/CVERecord?id=CVE-2026-2923" }, { "category": "external", "summary": "Reference - redhat", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2923" }, { "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", "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-2026-2923" }, { "category": "external", "summary": "Reference - redhat", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2447503" }, { "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=2447496" }, { "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://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 DVB subtitle streams with GStreamer. Limiting exposure to untrusted content can reduce the risk of exploitation.", "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 DVB subtitle streams with GStreamer. Limiting exposure to untrusted content can reduce the risk of exploitation.", "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-2859886", "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-2026-2923" } ] }