CVE-2020-13904

medium

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.

References

Advisories
More

https://www.debian.org/security/2020/dsa-4722

https://usn.ubuntu.com/4431-1/

https://security.gentoo.org/glsa/202007-58

https://lists.debian.org/debian-lts-announce/2020/07/msg00022.html

https://github.com/FFmpeg/FFmpeg/commit/6959358683c7533f586c07a766acc5fe9544d8b2

https://trac.ffmpeg.org/ticket/8673

https://patchwork.ffmpeg.org/project/ffmpeg/patch/20200529033905.41926-1-lq%40chinaffmpeg.org/

Details

Source: Mitre, NVD

Published: 2020-06-07

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H