Out-of-bounds Write Affecting ffmpeg package, versions <4.3-r0


Severity

Recommended
0.0
critical
0
10

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Threat Intelligence

EPSS
2.12% (89th percentile)

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  • Snyk IDSNYK-ALPINE312-FFMPEG-589557
  • published21 Jul 2020
  • disclosed28 Apr 2020

Introduced: 28 Apr 2020

CVE-2020-12284  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Alpine:3.12 ffmpeg to version 4.3-r0 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 Alpine. See How to fix? for Alpine:3.12 relevant fixed versions and status.

cbs_jpeg_split_fragment in libavcodec/cbs_jpeg.c in FFmpeg 4.1 and 4.2.2 has a heap-based buffer overflow during JPEG_MARKER_SOS handling because of a missing length check.

CVSS Scores

version 3.1