Out-of-bounds Write Affecting ffmpeg package, versions <7:4.2.7-0ubuntu0.1


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.8% (82nd percentile)

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  • Snyk IDSNYK-UBUNTU2004-FFMPEG-1131041
  • published1 Dec 2021
  • disclosed4 Jan 2021

Introduced: 4 Jan 2021

CVE-2020-35965  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Ubuntu:20.04 ffmpeg to version 7:4.2.7-0ubuntu0.1 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.

decode_frame in libavcodec/exr.c in FFmpeg 4.3.1 has an out-of-bounds write because of errors in calculations of when to perform memset zero operations.

CVSS Scores

version 3.1