CVE-2026-93312CWE-404CWE-476

CVE-2026-93312

Medium · published September 18, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
33.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
CVSS v4.0
5.3 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00404 · 33.5th percentile
Weaknesses
CWE-404 · Improper Resource Shutdown or Release; CWE-476 · NULL Pointer Dereference
Published
2026-09-18T05:16Z
References (10)
https://github.com/r1ck9-2q/cve_summit/blob/main/Null-pointer-offset-undefined-behavior-in-JBIG2Stream-rewind-JBIG2Stream.cc-1229.md · [email protected]https://gitlab.freedesktop.org/poppler/poppler/-/commit/5e49250f13b0390edeb3f90eb4c02c9941f97067 · [email protected]https://gitlab.freedesktop.org/poppler/poppler/-/merge_requests/2314 · [email protected]https://gitlab.freedesktop.org/poppler/poppler/-/work_items/1759 · [email protected]https://vuldb.com/cve/CVE-2026-93312 · [email protected]https://vuldb.com/submit/942345 · [email protected]https://vuldb.com/vuln/406610 · [email protected]https://vuldb.com/vuln/406610/cti · [email protected]https://gitlab.freedesktop.org/poppler/poppler/-/work_items/1759 · 134c704f-9b21-4f2e-91b3-4a467353bcc0https://vuldb.com/submit/942345 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 19 SEP 03:55Z
    EPSS moved — → 0%
    epss
  • 18 SEP 00:45Z
    Freedesktop Poppler JBIG2Stream.cc rewind null pointer dereference
    cvelistv5