CVE-2026-12706
Last modified
CVE-2026-12706 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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. EPSS estimates a 0.24% chance of exploitation in the next 30 days.
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).
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | Red Hat Enterprise Linux AI (RHEL AI) 3 | All versions |
| Red Hat | Red Hat OpenShift AI (RHOAI) | All versions |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
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