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CVE-2026-125266FFmpeg through 9.0.2 Uninitialized Stack Memory Disclosure via SANM Codec 23
Açıklama
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.
Zayıflık türü (CWE):
CWE-908
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/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