SB2025060826 - Multiple vulnerabilities in FFmpeg



SB2025060826 - Multiple vulnerabilities in FFmpeg

Published: June 8, 2025

Security Bulletin ID SB2025060826
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Buffer overflow (CVE-ID: CVE-2011-4579)

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

The svq1_decode_frame function in the SVQ1 decoder (svq1dec.c) in libavcodec in FFmpeg 0.5.x before 0.5.7, 0.6.x before 0.6.4, 0.7.x before 0.7.9, and 0.8.x before 0.8.8; and in Libav 0.5.x before 0.5.6, 0.6.x before 0.6.4, and 0.7.x before 0.7.3 allows remote attackers to cause a denial of service (memory corruption) via a crafted SVQ1 stream, related to "dimensions changed."


2) Buffer overflow (CVE-ID: CVE-2012-5361)

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

Libavcodec in FFmpeg before 0.11 allows remote attackers to execute arbitrary code via a crafted WMV file.


Remediation

Install update from vendor's website.