Review reviewHigh

CVE-2026-8461

FFmpeg FFmpeg, Red Hat Enterprise Linux AI 3.5 for RHEL 9, Red Hat AI Inference Server

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.

CVSS: 8.8
EPSS: 0.48%
CISA KEV: Not listed
Published: 2026.06.18

PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability0.48%

Technical severityCVSS 8.8

Vulnerability overview

Affected product and versions

Product: FFmpeg FFmpeg, Red Hat Enterprise Linux AI 3.5 for RHEL 9, Red Hat AI Inference Server
Affected versions: < 8.1.2
Fixed versions: No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

1
Identify
Confirm that FFmpeg FFmpeg, Red Hat Enterprise Linux AI 3.5 for RHEL 9, Red Hat AI Inference Server and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE: CWE-787