PT-2026-47099 · Julia · Openjpeg Jll

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

OSV

jp2/opj decompress.c in OpenJPEG through 2.3.1 has a use-after-free that can be triggered if there is a mix of valid and invalid files in a directory operated on by the decompressor. Triggering a double-free may also be possible. This is related to calling opj image destroy twice.

Related Identifiers

JLSEC-2026-534

Affected Products

Openjpeg Jll

References · 8

• https://debian.org/security/2021/dsa-4882 · Vendor Advisory
• https://osv.dev/vulnerability/JLSEC-2026-534 · Vendor Advisory
• https://github.com/uclouvain/openjpeg/issues/1261 · Note
• https://oracle.com/security-alerts/cpuoct2020.html · Note
• https://lists.debian.org/debian-lts-announce/2020/07/msg00008.html · Note
• https://security.gentoo.org/glsa/202101-29 · Note
• https://pastebin.com/4sDKQ7U8 · Note
• https://oracle.com//security-alerts/cpujul2021.html · Note