CVE-2025-9951
Remote code execution via Heap Buffer Overflow in FFmpeg JPEG2000
6.5CVSSMEDIUM
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.
CVSS Vector Breakdown
Exploitability
AV:NAccess VectorNetwork
AC:LAccess ComplexityLow
Impact
C:NConfidentialityNone
I:LIntegrityL
A:LAvailabilityL
Weaknesses
Affected Products
Attack Graph
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Exploitability
Official Patch Available
MITRE ATT&CK
1 technique Privilege Escalation
References
https://github.com/google/security-research/security/advisories/GHSA-39q3-f8jq-v6mg
github.com
https://github.com/FFmpeg/FFmpeg/commit/01a292c7e36545ddeb3c7f79cd02e2611cd37d73
github.com
https://github.com/google/security-research/security/advisories/GHSA-39q3-f8jq-v6mg
github.com
and 4 more references View all →
Timeline
Published
Sep 9, 2025
Last Updated
Sep 9, 2025
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