CVE-2026-93312Freedesktop Poppler JBIG2Stream.cc rewind null pointer dereference
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
- Weakness (CWE)
- CWE-476, CWE-404
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Sep 22, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Freedesktop Poppler freedesktop:poppler | 26.07.0; 26.08.0 not affected | CNA record |
References
- https://vuldb.com/vuln/406610vdb-entry, technical-description
- https://vuldb.com/vuln/406610/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-93312third-party-advisory
- https://vuldb.com/submit/942345third-party-advisory
- https://gitlab.freedesktop.org/poppler/poppler/-/work_items/1759related
- https://gitlab.freedesktop.org/poppler/poppler/-/merge_requests/2314patch
- https://github.com/r1ck9-2q/cve_summit/blob/main/Null-pointer-offset-undefined-behavior-in-JBIG2Stream-rewind-JBIG2Stream.cc-1229.mdexploit
- https://gitlab.freedesktop.org/poppler/poppler/-/commit/5e49250f13b0390edeb3f90eb4c02c9941f97067broken-link, patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.