CVE-2025-9951
Remote code execution via Heap Buffer Overflow in FFmpeg JPEG2000
Vexday Risk Score
21Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 7.2EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
09 Sep 2025Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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.
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
Affected products
FFmpeg · FFmpegWant to know if your infrastructure is exposed to this?
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