5.3Media
CVE-2026-125253FFmpeg through 9.0.2 VP9 CBS Superframe Integer Overflow Out-of-Bounds Read
Descripción
FFmpeg through 9.0.2 contains an integer overflow in cbs_vp9_split_fragment() in libavcodec/cbs_vp9.c that wraps the superframe size check on 32-bit builds. Attackers can supply a crafted VP9 packet with a forged superframe index containing near-2^32 frame sizes, causing out-of-bounds reads that crash 32-bit applications.
Debilidad (CWE):
CWE-190
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/25232 issue-tracking
- Patch Commit patch
- https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavcodec/cbs_vp9.c#L400 technical-description
- https://github.com/FFmpeg/FFmpeg product
- VulnCheck Advisory: FFmpeg through 9.0.2 VP9 CBS Superframe Integer Overflow Out-of-Bounds Read third-party-advisory