FFmpeg 2.8 and 4.2.3 has a use-after-free via a crafted...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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
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CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.