---
id: CVE-2026-93313
title: A vulnerability was found in Freedesktop Poppler 26.07.0
summary: >-
  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 ini…
severity: medium
cvss: 6.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L'
cwe:
  - CWE-189
  - CWE-190
vendor: Freedesktop
product: Poppler
affected:
  - Poppler 26.07.0
published: '2026-09-18'
updated: '2026-09-18'
sourceUpdated: '2026-09-18T13:23:37.403'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-93313'
references:
  - url: >-
      https://github.com/r1ck9-2q/cve_summit/blob/main/Signed-integer-overflow-in-JBIG2Stream-readCodeTableSeg-JBIG2Stream.cc-4118.md
    label: cna@vuldb.com
  - url: >-
      https://gitlab.freedesktop.org/poppler/poppler/-/commit/eb87cf711563894649bd0c365baa479401dc6d51?merge_request_iid=2322
    label: cna@vuldb.com
  - url: 'https://gitlab.freedesktop.org/poppler/poppler/-/merge_requests/2322'
    label: cna@vuldb.com
  - url: 'https://gitlab.freedesktop.org/poppler/poppler/-/work_items/1760'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-93313'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/942346'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/406612'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/406612/cti'
    label: cna@vuldb.com
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-93313.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-93313'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2538847'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-93313'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-93313'
  - url: 'https://access.redhat.com/errata/RHSA-2026:71625'
tags:
  - nvd
  - cve.org
  - exploit-available
  - csaf
  - vex
  - red-hat
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-18T12:51:29.180971Z'
epss: 0.00432
epssPercentile: 0.3484
ingestedAt: '2026-09-18T01:33:24.270Z'
patched:
  - hardened_images
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

## Vendor advisories

- **RHSA-2026:71625** · Red Hat · fixed in: Red Hat Hardened Images · released 2026-09-24 · [advisory](https://access.redhat.com/errata/RHSA-2026:71625)