6.5
Medium
CVE-2026-12706 A use-after-free vulnerability was found in FFmpeg's RASC video decoder
Description
A use-after-free vulnerability was found in FFmpeg's RASC video decoder. The decode_move() function initializes a read pointer into a decompressed buffer, but a subsequent reallocation of that same buffer during move-table processing leaves the pointer dangling. An attacker could exploit this by providing a specially crafted AVI file containing a malicious RASC video stream. When a user opens or plays the file, the decoder reads from freed heap memory, which could lead to a denial of service (crash).
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Red Hat Enterprise Linux AI (RHEL AI) 3 | Versions not published | |
| Red Hat OpenShift AI (RHOAI) | Versions not published |
References
- access.redhat.com access.redhat.com
- RHBZ#2490710 bugzilla.redhat.com
- lists.ffmpeg.org lists.ffmpeg.org
- patchwork.ffmpeg.org patchwork.ffmpeg.org
Timeline
- Published
- Last modified
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