tag
Libavcodec
None assigned as of 2026-07-03
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CRITICAL
FFmpeg RASC Decoder DLTA Heap Out-of-Bounds Write
FFmpeg's RASC decoder (decodedlta() in libavcodec/rasc.c) tracks a row cursor and only checks whether it has reached the end of the current row after certain operations, rather than before. Several DLTA run types (4, 7, 12, 13) perform 32-bit reads/writes at…
Unpatched
2026-07-03
CVE-2026-8461
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HIGH 8.8
FFmpeg MagicYUV Decoder Out-of-Bounds Write / RCE — PixelSmash (CVE-2026-8461)
CVE-2026-8461 (codename PixelSmash) is a High-severity out-of-bounds heap write in FFmpeg's MagicYUV decoder (libavcodec). Improper bounds validation during frame decoding allows a specially crafted video file with an odd slice height to trigger a heap buffer…
Patched
2026-06-30