---
id: CVE-2026-85458
title: >-
  Divide-by-zero in Xpdf 4.06 (and earlier), when a glyph in a Type 3 font has a
  zero height.
summary: >-
  Divide-by-zero in Xpdf 4.06 (and earlier), when a glyph in a Type 3 font has a
  zero height.
severity: medium
cwe:
  - CWE-369
published: '2026-09-03'
updated: '2026-09-08'
sourceUpdated: '2026-09-08T19:29:09.680'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-85458'
references:
  - url: 'https://www.xpdfreader.com/security-bug/CVE-2026-85458.html'
    label: xpdf@xpdfreader.com
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-85458.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-85458'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-85458'
tags:
  - nvd
  - csaf
  - vex
  - red-hat
epss: 0.00099
epssPercentile: 0.00931
ingestedAt: '2026-09-08T20:10:03.160Z'
vendor: Red Hat
cvss: 4.7
cvssVector: 'CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H'
cvssSource: vendor
---

## Overview

Divide-by-zero in Xpdf 4.06 (and earlier), when a glyph in a Type 3 font has a zero height.

## Remediation

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

## Vendor advisories

- **Red Hat VEX** · updated 2026-09-08 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-85458.json)