Use After Free Affecting ffmpeg package, versions <7:4.2.4-1ubuntu0.1


Severity

Recommended
0.0
medium
0
10

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.13% (48th percentile)

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  • Snyk IDSNYK-UBUNTU2004-FFMPEG-584310
  • published8 Jun 2020
  • disclosed7 Jun 2020

Introduced: 7 Jun 2020

CVE-2020-13904  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Ubuntu:20.04 ffmpeg to version 7:4.2.4-1ubuntu0.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ffmpeg package and not the ffmpeg package as distributed by Ubuntu. See How to fix? for Ubuntu:20.04 relevant fixed versions and status.

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 Scores

version 3.1