Description
A vulnerability was found in Freedesktop Poppler 26.07.0. The impacted element is the function JBIG2Stream::readCodeTableSeg of the file poppler/JBIG2Stream.cc. Performing a manipulation results in integer overflow. The attack can be initiated remotely. The exploit has been made public and could be used. The patch is named eb87cf711563894649bd0c365baa479401dc6d51. To fix this issue, it is recommended to deploy a patch.
References8
- github.com/r1ck9-2q/cve_summit/blob/main/Signed-integer-overflo…
- gitlab.freedesktop.org/poppler/poppler/-/commit/eb87cf711563894…
- gitlab.freedesktop.org/poppler/poppler/-/merge_requests/2322
- gitlab.freedesktop.org/poppler/poppler/-/work_items/1760
- vuldb.com/cve/CVE-2026-93313
- vuldb.com/submit/942346
- vuldb.com/vuln/406612
- vuldb.com/vuln/406612/cti
Metrics
- CVSS 3.1
-
6.3
MEDIUM
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L - CVSS 4.0
-
2.1
LOW
Score source: CNA
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - EPSS — exploit probability
- 0% percentile: 16 · as of 8 November 2026
- CWE
- CWE-189CWE-190
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.