Vulnerabilities CVE-2026-8461

CVE-2026-8461

High

Open

TLP:CLEAR

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

NVD CVE.org

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Description

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.

Details

CVSS Score: 8.8
EPSS Score ⓘ: 1.57%

73.3th percentile
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Confidence: 90%
Published: Jun 18, 2026
Last Modified: Jul 23, 2026

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