CVE-2021-25803: videolan vlc_media_player Integer Overflow or Wraparound

Vulnerability summary

CVE-2021-25803 is a high (CVSS 7.1) Integer Overflow or Wraparound vulnerability in videolan vlc_media_player. EPSS estimates a 0.74% chance of exploitation in the next 30 days, higher than 53.8% of scored vulnerabilities.

Timeline

1. 26-07-2021
   PublishedVulnerability first disclosed.
2. 03-08-2024
   Last modifiedVulnerability information updated.

Description

A buffer overflow vulnerability in the vlc_input_attachment_New component of VideoLAN VLC Media Player 3.0.11 allows attackers to cause an out-of-bounds read via a crafted .avi 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.