Description
The gmc_mmx function in libavcodec/x86/mpegvideodsp.c in FFmpeg 2.3 and 3.4 does not properly validate widths and heights, which allows remote attackers to cause a denial of service (integer signedness error and out-of-array read) via a crafted MPEG file.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://lists.ffmpeg.org/pipermail/ffmpeg-devel/2017-November/219748.html ↗
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3516#c1 ↗
- https://github.com/FFmpeg/FFmpeg/commit/58cf31cee7a456057f337b3102a03206d833d5e8 ↗
- https://www.debian.org/security/2018/dsa-4099 ↗
- https://github.com/FFmpeg/FFmpeg/commit/27f8d386829689c346ff0cef00d3af57b9fb8903 ↗