CVE-2021-28429: ffmpeg Integer Overflow or Wraparound

Vulnerability summary

CVE-2021-28429 is a medium (CVSS 5.5) Integer Overflow or Wraparound vulnerability in ffmpeg. EPSS estimates a 0.20% chance of exploitation in the next 30 days, higher than 9% of scored vulnerabilities.

Timeline

1. 11-08-2023
   PublishedVulnerability first disclosed.
2. 09-10-2024
   Last modifiedVulnerability information updated.

Description

Integer overflow vulnerability in av_timecode_make_string in libavutil/timecode.c in FFmpeg version 4.3.2, allows local attackers to cause a denial of service (DoS) via crafted .mov file.

• CWE-190Integer Overflow or WraparoundThe product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.