PT-2026-56120 · Julia · Ffmpeg Jll+1

Published

2026-06-26

·

Updated

2026-06-26

CVSS v4.0

7.2

High

VectorAV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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.

Fix

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Related Identifiers

JLSEC-2026-648

Affected Products

Ffmpeg Jll
Ffplay Jll