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CVE-2026-93313

Freedesktop Poppler JBIG2Stream.cc readCodeTableSeg integer overflow

MEDIUM
6.3
CVSS Score
Published: September 18, 2026 at 01:15 AM UTC
Updated: September 18, 2026 at 02:30 PM UTC
1 product affected across 1 vendorPoppler

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Severity
MEDIUM6.3
Exploit prediction
EPSS 0.2%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (8)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/406612
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/406612/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-93313
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/942346
Related
Source: cverecord
https://gitlab.freedesktop.org/poppler/poppler/-/work_items/1760
Patch
Source: cverecord
https://gitlab.freedesktop.org/poppler/poppler/-/merge_requests/2322
Exploit
Source: cverecord
https://github.com/r1ck9-2q/cve_summit/blob/main/Signed-integer-overflow-in-JBIG2Stream-readCodeTableSeg-JBIG2Stream.cc-4118.md
Patch
Source: cverecord
https://gitlab.freedesktop.org/poppler/poppler/-/commit/eb87cf711563894649bd0c365baa479401dc6d51?merge_request_iid=2322

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-190CWE-189

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