CVE-2026-8461
highpriority · track · 11EPSS 0.016 · 75 %ileexploit · PoCDEEURUEPSS · scored 2026-10-27
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
exploits (5)
Public proof-of-concept and weaponised exploit code.
- 0xBlackash/CVE-2026-8461CVE-2026-8461PoC · poc_in_github
- HORKimhab/CVE-2026-8461 CVE-2026-8461 - DraftPoC · poc_in_github
- Y5neKO/CVE-2026-8461-EXPY5neKO/CVE-2026-8461-EXPPoC · poc_in_github
- anyanything/CVE-2026-8461-PoCanyanything/CVE-2026-8461-PoCPoC · poc_in_github
- se1ims/PixelSmashA lab setup to test cve-2026-8461PoC · poc_in_github
affected products (12)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-2011ffmpeg: Schwachstelle ermöglicht Codeausführung und Denial of ServiceDeutsch2026-06-18csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in ffmpeg ausnutzen, um beliebigen Programmcode auszuführen, und um einen Denial of Service Angriff durchzuführen.
also known as (5)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (8)
External citations — patches, advisories, analysis.
- https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/23159cnnvd
- https://www.ffmpeg.org/download.htmlPatchcnnvd
- https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/23159enisa_euvd
- https://access.redhat.com/errata/RHSA-2026:43711nvd
- https://access.redhat.com/security/cve/CVE-2026-8461nvd
- https://bugzilla.redhat.com/show_bug.cgi?id=2490308nvd
- https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/23159nvd
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-8461.jsonnvd
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