Description
FFmpeg 2.8 and 4.2.3 has a use-after-free via a crafted EXTINF duration in an m3u8 file because parse_playlist in libavformat/hls.c frees a pointer, and later that pointer is accessed in av_probe_input_format3 in libavformat/format.c.
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://trac.ffmpeg.org/ticket/8673 ↗
- https://patchwork.ffmpeg.org/project/ffmpeg/patch/20200529033905.41926-1-lq%40chinaffmpeg.org/ ↗
- https://www.debian.org/security/2020/dsa-4722 ↗
- https://lists.debian.org/debian-lts-announce/2020/07/msg00022.html ↗
- https://usn.ubuntu.com/4431-1/ ↗
- https://security.gentoo.org/glsa/202007-58 ↗
- https://github.com/FFmpeg/FFmpeg/commit/6959358683c7533f586c07a766acc5fe9544d8b2 ↗