CVE-2026-6192 MEDIUM

CVE-2026-6192: uclouvain openjpeg pi.c opj_pi_initialise_encode integer overflow

Vendor Uclouvain
Product openjpeg
Weakness CWE-190
Published April 13, 2026
Last update May 21, 2026

CVSS base score

4.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A vulnerability was identified in uclouvain openjpeg up to 2.5.4. This impacts the function opj_pi_initialise_encode in the library src/lib/openjp2/pi.c. The manipulation leads to integer overflow. The attack must be carried out locally. The exploit is publicly available and might be used. The identifier of the patch is 839936aa33eb8899bbbd80fda02796bb65068951. It is suggested to install a patch to address this issue.

Key dates

02Disclosure timeline

April 13, 2026 CVE published
May 21, 2026 Record updated