CVE-2026-93312
MEDIUMCVSS 4.3Description
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.
Timeline
Published:September 18th, 2026 1:16 AM
Last modified:September 22nd, 2026 7:16 PM
CVSS Scoring
CVSS v3: 4.3 (MEDIUM)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
CVSS v2: 5.0
References & Reports
Advisories, patches, and third-party reports
- 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
- https://gitlab.freedesktop.org/poppler/poppler/-/merge_requests/2314
- https://gitlab.freedesktop.org/poppler/poppler/-/work_items/1759
- https://vuldb.com/cve/CVE-2026-93312
- https://vuldb.com/submit/942345
- https://vuldb.com/vuln/406610
- https://vuldb.com/vuln/406610/cti
- https://gitlab.freedesktop.org/poppler/poppler/-/work_items/1759
- https://vuldb.com/submit/942345
Source: NIST NVD · Data may lag official sources by up to one minute