Unchecked Return Value Affecting ffmpeg package, versions <7:4.2.7-0ubuntu0.1


Severity

Recommended
medium

Based on Ubuntu security rating

    Threat Intelligence

    EPSS
    0.92% (84th percentile)

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  • Snyk ID SNYK-UBUNTU2004-FFMPEG-1569330
  • published 24 Aug 2021
  • disclosed 21 Aug 2021

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.

adts_decode_extradata in libavformat/adtsenc.c in FFmpeg 4.4 does not check the init_get_bits return value, which is a necessary step because the second argument to init_get_bits can be crafted.

CVSS Scores

version 3.1
Expand this section

NVD

9.8 critical
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
Expand this section

SUSE

7.3 high