CVE-2020-13904 — Use After Free in Ffmpeg

CWE-416 — Use After Free7 documents6 sources
Severity
5.5MEDIUMNVD
OSV7.5
EPSS
0.5%
top 35.18%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
FfmpegCanonical Ubuntu LinuxDebian Linux
Timeline
PublishedJun 7
Latest updateMay 24

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages3 packages

▶Debianffmpeg/ffmpeg< 7:4.3.1-1+3
▶Ubuntuffmpeg/ffmpeg< 7:2.8.17-0ubuntu0.1+2
▶NVDffmpeg/ffmpeg2.8, 4.2.3+1

Also affects: Debian Linux 10.0, 9.0, Ubuntu Linux 16.04, 18.04, 20.04

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

4
GHSA
GHSA-8gvr-7h6w-q2cv: FFmpeg 4↗2022-05-24
▶
OSV
ffmpeg vulnerabilities↗2020-07-22
▶
CVEList
CVE-2020-13904: FFmpeg 2↗2020-06-07
▶
OSV
CVE-2020-13904: FFmpeg 2↗2020-06-07
▶

📋Vendor Advisories

2
Ubuntu
FFmpeg vulnerabilities↗2020-07-22
▶
Debian
CVE-2020-13904: ffmpeg - FFmpeg 2.8 and 4.2.3 has a use-after-free via a crafted EXTINF duration in an m3...↗2020
▶
CVE-2020-13904 — Use After Free in Ffmpeg | cvebase