Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-06-18. a secondary CVSS source baseline 8.8; sources differ by 0.0.
A fix is available — apply it.
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.
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
June 18, 2026
July 23, 2026
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| redhat | ffmpeg-0:6.1.6-1.el9ai | 2026-07-22 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| ffmpeg | 7:4.3.2-0+deb11u2 ... 7:8.1.2-2 (91 versions) | — | — |
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| ffmpeg | 7:5.1.3-1 ... 7:9.0.1-1 (59 versions) | — | — |
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| ffmpeg | 7:7.1.1-1 ... 7:7.1.4-0+deb13u1 (6 versions) | 7:7.1.5-0+deb13u1 | — |
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| ffmpeg | 7:7.1.1-1 ... 7:8.1.1-4 (15 versions) | 7:8.1.2-1 | — |
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 297 total refreshes for this CVE.
Working exploit code is in the public domain (3 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
CVE-2026-8461
Open source ↗See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-8461
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