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CVE-2026-8461

Heap out-of-bounds write via odd slice_height in FFmpeg MagicYUV decoder PUBLISHED

Description (CNA)

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 (CNA)

Vendor / productVersions
FFmpeg / FFmpegaffected 0 before 8.1.2

CWE

CWE-787

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.

redhat-SADP

A flaw was found in FFmpeg's libavcodec library. This out-of-bounds write vulnerability, specifically within the MagicYUV decoder, could allow a remote attacker to execute arbitrary code on the affected system. In other scenarios, it may lead to a denial-of-service, making the system unavailable.