CVE-2026-8461

Summary

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.

Affected Software

Weaknesses

• CWE-787: CWE-787 Out-of-bounds write

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: total

ffmpeg: FFmpeg: Remote code execution via out-of-bounds write in MagicYUV decoder

Additional References

• https://access.redhat.com/security/cve/CVE-2026-8461
• https://bugzilla.redhat.com/show_bug.cgi?id=2490308
• https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-8461.json

References

• https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/23159

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