CVE-2026-8461
Heap out-of-bounds write via odd slice_height in FFmpeg MagicYUV decoder
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.
INFO
Published Date :
June 18, 2026, 11:29 a.m.
Last Modified :
June 18, 2026, 11:29 a.m.
Remotely Exploit :
Yes !
Source :
JFROG
Affected Products
The following products are affected by CVE-2026-8461
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 48a46f29-ae42-4e1d-90dd-c1676c1e5e6d |
Solution
- Update FFmpeg to version 8.1.2 or later.
- Apply relevant security patches for FFmpeg.
- Recompile FFmpeg with updated libraries.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-8461 vulnerability anywhere in the article.