DEBIAN-CVE-2026-58049

FFmpeg's RASC video decoder decodedlta in libavcodec/rasc.c performs 32-bit reads and writes at the row cursor before the NEXTLINE row-boundary check and validates the DLTA region in pixel rather than byte units, so a DLTA run on a PAL8 frame can access several bytes past the row allocation. A...

CVE-2026-58049

FFmpeg's RASC video decoder decodedlta in libavcodec/rasc.c performs 32-bit reads and writes at the row cursor before the NEXTLINE row-boundary check and validates the DLTA region in pixel rather than byte units, so a DLTA run on a PAL8 frame can access several bytes past the row allocation. A...

UBUNTU-CVE-2026-58049

FFmpeg's RASC video decoder decodedlta in libavcodec/rasc.c performs 32-bit reads and writes at the row cursor before the NEXTLINE row-boundary check and validates the DLTA region in pixel rather than byte units, so a DLTA run on a PAL8 frame can access several bytes past the row allocation. A...

CVE-2026-58049 FFmpeg - Out-of-Bounds Write in RASC Decoder decode_dlta()

FFmpeg's RASC video decoder decodedlta in libavcodec/rasc.c performs 32-bit reads and writes at the row cursor before the NEXTLINE row-boundary check and validates the DLTA region in pixel rather than byte units, so a DLTA run on a PAL8 frame can access several bytes past the row allocation. A...

CVE-2026-58049

FFmpeg's RASC video decoder decodedlta in libavcodec/rasc.c performs 32-bit reads and writes at the row cursor before the NEXTLINE row-boundary check and validates the DLTA region in pixel rather than byte units, so a DLTA run on a PAL8 frame can access several bytes past the row allocation. A...

CVE-2026-58049

FFmpeg's RASC video decoder decodedlta in libavcodec/rasc.c performs 32-bit reads and writes at the row cursor before the NEXTLINE row-boundary check and validates the DLTA region in pixel rather than byte units, so a DLTA run on a PAL8 frame can access several bytes past the row allocation. A...

CVE-2026-58049

CVE-2026-58049 concerns FFmpeg’s RASC video decoder (decode_dlta in libavcodec/rasc.c). The issue arises when the code performs 32-bit reads/writes at the row cursor before the NEXT_LINE boundary check and validates the DLTA region in pixels rather than bytes. On PAL8 frames, this enables a DLTA ...

EUVD-2026-39969

FFmpeg's RASC video decoder decodedlta in libavcodec/rasc.c performs 32-bit reads and writes at the row cursor before the NEXTLINE row-boundary check and validates the DLTA region in pixel rather than byte units, so a DLTA run on a PAL8 frame can access several bytes past the row allocation. A...

PT-2026-53081

Name of the Vulnerable Software and Affected Versions FFmpeg versions prior to the latest patch Description The RASC video decoder in libavcodec contains a flaw where the decode dlta function in libavcodec/rasc.c performs 32-bit reads and writes at the row cursor before the NEXT LINE row-boundary...