Use After Free Affecting ffmpeg package, versions [0,]
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-CONAN-FFMPEG-13378883
- published7 Oct 2025
- disclosed6 Oct 2025
- creditUnknown
Introduced: 6 Oct 2025
NewCVE-2025-59734 (opens in a new tab)How to fix?
A fix was pushed into the master branch but not yet published.
Overview
Affected versions of this package are vulnerable to Use After Free in the process_ftch() function when handling SANM animation files with subversion less than 2. An attacker can achieve arbitrary memory write and potentially corrupt memory allocator metadata by crafting a file that triggers a sequence of chunk processing, leading to use of a freed buffer and subsequent write operations.