PT-2026-47108 · Julia · Openjpeg Jll

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

OSV

OpenJPEG through 2.3.1 has a heap-based buffer overflow in opj t1 clbl decode processor in openjp2/t1.c because of lack of opj j2k update image dimensions validation.

Related Identifiers

JLSEC-2026-543

Affected Products

Openjpeg Jll

References · 11

• https://osv.dev/vulnerability/JLSEC-2026-543 · Vendor Advisory
• https://debian.org/security/2021/dsa-4882 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XBRMI2D3XPVWKE3V52KRBW7BJVLS5LD3 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LACIIDDCKZJEPKTTFILSOSBQL7L3FC6V · Vendor Advisory
• https://github.com/uclouvain/openjpeg/issues/1228 · Note
• https://access.redhat.com/errata/RHSA-2020:0262 · Note
• https://access.redhat.com/errata/RHSA-2020:0274 · Note
• https://lists.debian.org/debian-lts-announce/2020/01/msg00025.html · Note
• https://oracle.com/security-alerts/cpujul2020.html · Note
• https://access.redhat.com/errata/RHSA-2020:0296 · Note
• https://lists.debian.org/debian-lts-announce/2020/07/msg00008.html · Note