CVE-2026-93312
mediumA flaw has been found in Freedesktop Poppler 26.07.0.
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.
CVSS
4.3
4.3 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L Severity source: NVD CVSS v3.1 (cna@vuldb.com)
Timeline (UTC)
Published: 2026-09-18 01:16
Modified: 2026-09-22 19:16
NVD status: Deferred
Last synced 3 days ago
Verified against the source API 2026-10-27 06:54 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/r1ck9-2q/cve_summit/blob/main/Null-pointer-offset-undefined-behavior-in... cna@vuldb.com
- https://gitlab.freedesktop.org/poppler/poppler/-/commit/5e49250f13b0390edeb3f90eb4c02c9941... cna@vuldb.com
- https://gitlab.freedesktop.org/poppler/poppler/-/merge_requests/2314 cna@vuldb.com
- https://gitlab.freedesktop.org/poppler/poppler/-/work_items/1759 cna@vuldb.com
- https://vuldb.com/cve/CVE-2026-93312 cna@vuldb.com
- https://vuldb.com/submit/942345 cna@vuldb.com
- https://vuldb.com/vuln/406610 cna@vuldb.com
- https://vuldb.com/vuln/406610/cti cna@vuldb.com
- https://gitlab.freedesktop.org/poppler/poppler/-/work_items/1759 134c704f-9b21-4f2e-91b3-4a467353bcc0
- https://vuldb.com/submit/942345 134c704f-9b21-4f2e-91b3-4a467353bcc0
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:54 UTC · record ↗
