PT-2026-47112 · Julia · Openjpeg Jll

Published 2026-05-26 · Updated 2026-05-26

OSV

CVSS v4.0

6.6

Medium

Base vector

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

OpenJPEG is an open-source JPEG 2000 codec. In OpenJPEG from 2.5.1 through 2.5.3, a call to opj jp2 read header may lead to OOB heap memory write when the data stream p stream is too short and p image is not initialized.

Fix

Related Identifiers

JLSEC-2026-552

Affected Products

Openjpeg Jll

References · 4

• https://osv.dev/vulnerability/JLSEC-2026-552 · Vendor Advisory
• https://github.com/uclouvain/openjpeg/pull/1573 · Note
• https://github.com/uclouvain/openjpeg/commit/f809b80c67717c152a5ad30bf06774f00da4fd2d · Note
• https://securitylab.github.com/advisories/GHSL-2025-057_OpenCV · Note