CVE-2025-9951
Remote code execution via Heap Buffer Overflow in FFmpeg JPEG2000
- State
- Published
- Severity
- 7.2 High
- Published
- Sep 9, 2025
- Updated
- Feb 26, 2026
- Reserved
- Sep 3, 2025
Description
A heap-buffer-overflow write exists in jpeg2000dec FFmpeg which allows an attacker to potentially gain remote code execution or cause denial of service via the channel definition cdef atom of JPEG2000.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.2 High | CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:H/SA:H |
Weaknesses
- CWE-122 Heap-based Buffer Overflow
Affected Products
| Product | Versions |
|---|---|
FFmpegFFmpeg |
|
References
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