High severityNVD Advisory· Published Sep 9, 2025· Updated Apr 15, 2026

CVE-2025-9951

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.

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

github.com/google/security-research/security/advisories/GHSA-39q3-f8jq-v6mgnvd

News mentions

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cvss	0.455
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ransomware	0.000