Freedesktop Poppler JBIG2Stream.cc rewind null pointer dereference
cve-program · CVE-2026-93312
PublishedA 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.
Read the publisher's advisoryAffected versions, risk and source history
Related advisories and sources
Publishers link these advisories through the identifiers shown below. A shared identifier or date alone does not tell you whether your software is affected or whether the advisories describe the same cause.
CVE-2026-93312 · CVE overview and exploitation status
cve-program · CVE-2026-93312
- https://vuldb.com/vuln/406610
- https://vuldb.com/vuln/406610/cti
- https://vuldb.com/cve/CVE-2026-93312
- https://vuldb.com/submit/942345
- https://gitlab.freedesktop.org/poppler/poppler/-/work_items/1759
- https://gitlab.freedesktop.org/poppler/poppler/-/merge_requests/2314
- https://github.com/r1ck9-2q/cve_summit/blob/main/Null-pointer-offset-undefined-behavior-in-JBIG2Stream-rewind-JBIG2Stream.cc-1229.md
- https://gitlab.freedesktop.org/poppler/poppler/-/commit/5e49250f13b0390edeb3f90eb4c02c9941f97067
Related changes
Linked by CVE identifierNo related changes are available here.