CVE-2020-13904

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.5 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
mitreCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 63%
VendorProductVersion
ffmpegffmpeg
2.8
ffmpegffmpeg
4.2.3
canonicalubuntu_linux
16.04
canonicalubuntu_linux
18.04
canonicalubuntu_linux
20.04
debiandebian_linux
9.0
debiandebian_linux
10.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
ffmpeg
bullseye
7:4.3.7-0+deb11u1
fixed
bullseye (security)
7:4.3.8-0+deb11u1
fixed
bookworm
7:5.1.6-0+deb12u1
fixed
bookworm (security)
7:5.1.6-0+deb12u1
fixed
sid
7:7.1-3
fixed
trixie
7:7.1-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
ffmpeg
focal
Fixed 7:4.2.4-1ubuntu0.1
released
eoan
ignored
bionic
Fixed 7:3.4.8-0ubuntu0.2
released
xenial
Fixed 7:2.8.17-0ubuntu0.1
released
trusty
dne
Common Weakness Enumeration
References
https://github.com/FFmpeg/FFmpeg/commit/6959358683c7533f586c07a766acc5fe9544d8b2
https://lists.debian.org/debian-lts-announce/2020/07/msg00022.html
https://patchwork.ffmpeg.org/project/ffmpeg/patch/20200529033905.41926-1-lq%40chinaffmpeg.org/
https://security.gentoo.org/glsa/202007-58
https://trac.ffmpeg.org/ticket/8673
https://usn.ubuntu.com/4431-1/
https://www.debian.org/security/2020/dsa-4722
https://github.com/FFmpeg/FFmpeg/commit/6959358683c7533f586c07a766acc5fe9544d8b2
https://lists.debian.org/debian-lts-announce/2020/07/msg00022.html
https://patchwork.ffmpeg.org/project/ffmpeg/patch/20200529033905.41926-1-lq%40chinaffmpeg.org/
https://security.gentoo.org/glsa/202007-58
https://trac.ffmpeg.org/ticket/8673
https://usn.ubuntu.com/4431-1/
https://www.debian.org/security/2020/dsa-4722