3.3Baja
CVE-2026-125266FFmpeg through 9.0.2 Uninitialized Stack Memory Disclosure via SANM Codec 23
Descripción
FFmpeg through 9.0.2 contains an uninitialized stack memory disclosure vulnerability in old_codec23() of libavcodec/sanm.c that leaks stack bytes into decoded frames. Attackers can supply a crafted LucasArts SMUSH/SANM animation using codec 23 with an inline table to expose decoder process stack memory in output video.
Debilidad (CWE):
CWE-908
Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.
Productos y versiones afectados
Referencias y parches
- https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/25718 issue-tracking
- Patch Commit patch
- https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavcodec/sanm.c#L799 technical-description
- https://github.com/FFmpeg/FFmpeg product
- VulnCheck Advisory: FFmpeg through 9.0.2 Uninitialized Stack Memory Disclosure via SANM Codec 23 third-party-advisory