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.
References (1)
Core 1
Core References
Scores
CVSS v4
7.2
EPSS
0.0056
EPSS Percentile
68.3%
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
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
total
Details
CWE
CWE-122
Status
published
Products (1)
FFmpeg/FFmpeg
< 8.0
Published
Sep 09, 2025
Tracked Since
Feb 18, 2026