Out-of-bounds Write The advisory has been revoked - it doesn't affect any version of package ffmpeg (opens in a new tab)
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-RHEL10-FFMPEG-17668829
- published29 Jun 2026
- disclosed18 Jun 2026
Introduced: 18 Jun 2026
CVE-2026-8461 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream ffmpeg package and not the ffmpeg package as distributed by RHEL.
An out-of-bounds write vulnerability in FFmpeg's libavcodec library, specifically in the MagicYUV decoder, allows denial-of-service and, in some cases, can be exploited for remote code execution.
This vulnerability is associated with the file libavcodec/magicyuv.C.
This issue affects FFmpeg before version 8.1.2.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2490308
- https://access.redhat.com/security/cve/CVE-2026-8461
- https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/23159
- https://access.redhat.com/errata/RHSA-2026:43711
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-8461.json
- https://github.com/Y5neKO/CVE-2026-8461-EXP