ESB-2026.4238

=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2026.4238 USN-8205-1: GStreamer Bad Plugins vulnerabilities 27 April 2026 =========================================================================== AUSCERT Security Bulletin Summary --------------------------------- Product: GStreamer Bad Plugins Publisher: Ubuntu Operating System: Ubuntu Resolution: Patch/Upgrade CVE Names: CVE-2025-3887 CVE-2023-37329 CVE-2023-44446 CVE-2023-40476 CVE-2023-40475 CVE-2023-40474 Original Bulletin: https://ubuntu.com/security/notices/USN-8205-1 Comment: CVSS (Max): 8.8 CVE-2025-3887 (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) CVSS Source: Ubuntu Calculator: https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H EPSS (Max): 6.5% (91st) CVE-2023-40474 2026-04-26 - --------------------------BEGIN INCLUDED TEXT-------------------- USN-8205-1: GStreamer Bad Plugins vulnerabilities Publication date 23 April 2026 Overview Several security issues were fixed in GStreamer Bad Plugins. Releases 18.04 LTS 16.04 LTS --------------------------------------------------------------------------------- Open side navigation Packages o gst-plugins-bad1.0 - GStreamer plugins Details It was discovered that multiple plugins in GStreamer contained arithmetic overflows. An attacker could possibly use this issue to cause applications using the plugins to crash, resulting in a denial of service, or possibly execute arbitrary code. ( CVE-2023-37329 , CVE-2023-40474 , CVE-2023-40475 , CVE-2023-40476 ) It was discovered that the MXF demuxer plugin in GStreamer did not properly manage memory. An attacker could possibly use this issue to cause applications using the plugin to crash, resulting in a denial of service, or possibly execute arbitrary code. ( CVE-2023-44446 ) It was discovered that the H265 codec plugin in GStreamer could be made to write out of bounds. An attacker could possibly use this issue to cause applications using the plugin to crash, resulting in a denial of service, or possibly execute arbitrary code. ( CVE-2025-3887 ) --------------------------------------------------------------------------------- Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu Package Version Release gstreamer1.0-plugins-bad - 1.14.5-0ubuntu1~18.04.1+esm1 Ubuntu Pro 18.04 Fix available with Ubuntu Pro via ESM Apps. A community fix might LTS become publicly available in the future. bionic libgstreamer-plugins-bad1.0-0 - 1.14.5-0ubuntu1~18.04.1+esm1 Ubuntu Pro Fix available with Ubuntu Pro via ESM Apps. A community fix might become publicly available in the future. gstreamer1.0-plugins-bad - 1.8.3-1ubuntu0.2+esm1 Ubuntu Pro Fix 16.04 available with Ubuntu Pro via ESM Apps. A community fix might become LTS publicly available in the future. xenial libgstreamer-plugins-bad1.0-0 - 1.8.3-1ubuntu0.2+esm1 Ubuntu Pro Fix available with Ubuntu Pro via ESM Apps. A community fix might become publicly available in the future. --------------------------------------------------------------------------------- References o CVE-2025-3887 o CVE-2023-44446 o CVE-2023-40476 o CVE-2023-40475 o CVE-2023-40474 o CVE-2023-37329 Related notices o USN-7558-1 o USN-6526-1 - --------------------------END INCLUDED TEXT---------------------- You have received this e-mail bulletin as a result of your organisation's registration with AUSCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. 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