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  4. CVE 2026 85458 divide by zero in xpdf 406 due to zero height
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Back to active CVEs
Low · CVSS 2.1CVE-2026-85458

Divide-by-zero in Xpdf 4.06 due to zero-height Type 3 glyphCVE-2026-85458

Answer in brief

CVE-2026-85458 records a Low severity (CVSS 2.1) vulnerability in Divide-by-zero in Xpdf 4.06 due to zero-height Type 3 glyph. The current sources do not mark it as known exploited. The current feed maps Xpdf/Xpdf (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 3, 2026Updated Sep 8, 2026Source checked Oct 25, 2026First seen by HOL Sep 3, 2026Material review Sep 8, 2026
Upstream Advisory

Key facts

Risk
Low · CVSS 2.1
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 2.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Xpdf/Xpdf (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Xpdf/Xpdfgeneric4.06Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Xpdf/Xpdf.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Sep 3, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Sep 8, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Sep 3, 2026

Sources and claim methodology

  • Source referencexpdfreader.com
Upstream source description

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

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-369
Source
CVE List V5
Source checked
Oct 25, 2026
References
1 linked source
Open source record