Out-of-bounds Write Affecting ffmpeg package, versions [,8.1.2)
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
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-17391819
- published21 Jun 2026
- disclosed18 Jun 2026
- creditUnknown
Introduced: 18 Jun 2026
CVE-2026-8461 (opens in a new tab)How to fix?
Upgrade ffmpeg to version 8.1.2 or higher.
Overview
Affected versions of this package are vulnerable to Out-of-bounds Write via the MagicYUV decoder process in the libavcodec library. An attacker can cause a denial of service or potentially execute arbitrary code by submitting a specially crafted file that triggers an odd slice_height value.