It was discovered that GStreamer Good Plugins did not properly handle certain network streams. A remote attacker could possibly use this issue to cause an application crash or execute arbitrary code. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. (CVE-2026-3083, CVE-2026-3085) It was discovered that GStreamer Good Plugins incorrectly handled certain Matroska files. An attacker could possibly use this issue to cause an application crash, resulting in a denial of service. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. (CVE-2026-39043) It was discovered that GStreamer Good Plugins incorrectly handled certain WAV files. An a