USN-8863-1: GStreamer Good Plugins vulnerabilities

Packages - gst-plugins-good1.0 - GStreamer plugins Details Yazan Balawneh discovered that GStreamer Good Plugins incorrectly handled certain FLAC audio streams. An attacker could possibly use this issue to obtain sensitive information. (CVE-2026-17072) Seonwook Kim discovered that GStreamer Good Plugins incorrectly parsed certain AVI files. An attacker could possibly use this issue to cause a denial of service or obtain sensitive information. (CVE-2026-73433) Seonwook Kim discovered that GStreamer Good Plugins did not correctly parse certain AVI files. An attacker could possibly use this issue to cause a denial of service. (CVE-2026-73434) Seonwook Kim discovered that GStreamer Good Plugins incorrectly handled certain closed caption data. An attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 20.04 LTS, Ubuntu... Yazan Balawneh discovered that GStreamer Good Plugins incorrectly handled certain FLAC audio streams. An attacker could possibly use this issue to obtain sensitive information. (CVE-2026-17072) Seonwook Kim discovered that GStreamer Good Plugins incorrectly parsed certain AVI files. An attacker could possibly use this issue to cause a denial of service or obtain sensitive information. (CVE-2026-73433) Seonwook Kim discovered that GStreamer Good Plugins did not correctly parse certain AVI files. An attacker could possibly use this issue to cause a denial of service. (CVE-2026-73434) Seonwook Kim discovered that GStreamer Good Plugins incorrectly handled certain closed caption data. An attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 26.04 LTS. (CVE-2026-88914) Update instructions In general, a standard system update will make all the necessary changes. Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions: Reduce your security exposure Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.