FFmpeg vulnerabilities
Summary
Jiasheng Jiang discovered that FFmpeg incorrectly handled memory in certain error-handling paths of its TensorFlow DNN backend. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 24.04 LTS. (CVE-2025-12343) Quang Luong discovered that FFmpeg incorrectly handled certain subsample data. An attacker could possibly use this issue to cause a denial of service or possibly execute arbitrary code. (CVE-2026-40962) Affected Ubuntu releases: 26.04, 24.04, 22.04, 20.04. CVEs: CVE-2026-40962, CVE-2025-12343.
- Ubuntu 26.04
- Ubuntu 24.04
- Ubuntu 22.04
- Ubuntu 20.04
Official advisory · medium-confidence parse· fetched 4 hours ago·verify at source
Mitigation checklist
- Apply available updates: `sudo apt update && sudo apt upgrade` (a standard system update installs the fix).
Official advisory · medium-confidence parse· fetched 4 hours ago·verify at source
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