CVE-2026-125253FFmpeg through 9.0.2 VP9 CBS Superframe Integer Overflow Out-of-Bounds Read

Açıklama

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.

Veri: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Bilgiler kaynaktaki haliyle, İngilizce yayımlanır.

Etkilenen ürünler ve sürümler

Kaynaklar ve yamalar

• 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