PT-2026-47102 · Julia · Openjpeg Jll

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

OSV

A flaw was found in OpenJPEG’s encoder in the opj dwt calc explicit stepsizes() function. This flaw allows an attacker who can supply crafted input to decomposition levels to cause a buffer overflow. The highest threat from this vulnerability is to system availability.

Related Identifiers

JLSEC-2026-537

Affected Products

Openjpeg Jll

References · 7

• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WJUPGIZE6A4O52EBOF75MCXJOL6MUCRV · Vendor Advisory
• https://debian.org/security/2021/dsa-4882 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OQR4EWRFFZQDMFPZKFZ6I3USLMW6TKTP · Vendor Advisory
• https://osv.dev/vulnerability/JLSEC-2026-537 · Vendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=1905723 · Note
• https://lists.debian.org/debian-lts-announce/2021/02/msg00011.html · Note
• https://oracle.com/security-alerts/cpuoct2021.html · Note