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4.3

FFmpeg: MOV file parsing can cause program crash

CVE-2025-25471 · published 1 year ago
Summary

A bug in FFmpeg's MOV file parser can cause the program to crash if it encounters a malformed file. This affects all versions of FFmpeg before a certain commit and can be exploited to make the program stop working. Update to the latest version to fix the issue.

Original advisory text
FFmpeg git master before commit fd1772 was discovered to contain a NULL pointer dereference via the component libavformat/mov.c.
FFmpeg git master before commit fd1772 was discovered to contain a NULL pointer dereference via the component libavformat/mov.c.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
4.3 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-476NULL Pointer Dereference
Timeline
Published18 Feb 2025
Updated4 Nov 2026
First seen7 Mar 2026
Sources
CVE-2025-25471 · NVD
CVE-2025-25471 · OSV
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