CVE-2026-93312

Name	CVE-2026-93312
Description	A flaw has been found in Freedesktop Poppler 26.07.0. Impacted is the function JBIG2Stream::rewind of the file poppler/JBIG2Stream.cc. This manipulation causes null pointer dereference. It is possible to initiate the attack remotely. The exploit has been published and may be used. Upgrading to version 26.08.0 is recommended to address this issue. Patch name: 5e49250f13b0390edeb3f90eb4c02c9941f97067. Upgrading the affected component is advised.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
poppler (PTS)	bookworm	22.12.0-2+deb12u2	vulnerable
	bookworm (security)	22.12.0-2+deb12u3	vulnerable
	trixie	25.03.0-5+deb13u4	vulnerable
	trixie (security)	25.03.0-5+deb13u3	vulnerable
	forky, sid	26.07.0-2	vulnerable

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
poppler	source	(unstable)	(unfixed)

Notes

https://gitlab.freedesktop.org/poppler/poppler/-/work_items/1759
https://gitlab.freedesktop.org/poppler/poppler/-/merge_requests/2314
Fixed by: https://gitlab.freedesktop.org/poppler/poppler/-/commit/5e49250f13b0390edeb3f90eb4c02c9941f97067 (poppler-26.08.0)