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.
Metrics
CVSS 3.1 5.5/10
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- https://github.com/FFmpeg/FFmpeg/commit/6959358683c7533f586c07a766acc5fe9544d8b2Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/07/msg00022.htmlMailing List, Third Party Advisory
- https://patchwork.ffmpeg.org/project/ffmpeg/patch/20200529033905.41926-1-lq%40chinaffmpeg.org/
- https://security.gentoo.org/glsa/202007-58Third Party Advisory
- https://trac.ffmpeg.org/ticket/8673Exploit, Issue Tracking, Vendor Advisory
- https://usn.ubuntu.com/4431-1/Third Party Advisory
- https://www.debian.org/security/2020/dsa-4722Third Party Advisory
- https://github.com/FFmpeg/FFmpeg/commit/6959358683c7533f586c07a766acc5fe9544d8b2Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/07/msg00022.htmlMailing List, Third Party Advisory
- https://patchwork.ffmpeg.org/project/ffmpeg/patch/20200529033905.41926-1-lq%40chinaffmpeg.org/
- https://security.gentoo.org/glsa/202007-58Third Party Advisory
- https://trac.ffmpeg.org/ticket/8673Exploit, Issue Tracking, Vendor Advisory
- https://usn.ubuntu.com/4431-1/Third Party Advisory
- https://www.debian.org/security/2020/dsa-4722Third Party Advisory
Timeline
- Published
- Jun 7, 2020
- Last modified
- Jun 17, 2026
- NVD status
- Modified