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JLSEC-2025-108 Critical 9.8

`cbs_jpeg_split_fragment` in `libavcodec/cbs_jpeg.c` in FFmpeg 4.1 and 4.2.2 has a heap-based buffer...

SourceEditHistoryOSVJSON (OSV)
JLSEC Published
Modified
Severity
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Packages
FFMPEG_jll < 4.3.1+0
Upstream
CVE-2020-12284

cbs_jpeg_split_fragment in libavcodec/cbs_jpeg.c in FFmpeg 4.1 and 4.2.2 has a heap-based buffer overflow during JPEG_MARKER_SOS handling because of a missing length check.

References