Divide-by-Zero Vulnerability in Xpdf by Glyph Rendering
CVE-2026-85458

2.1LOW

Key Information:

Vendor

XPDF

Status
XPDF
Vendor
CVE Published:
3 September 2026

What is CVE-2026-85458?

A divide-by-zero vulnerability has been identified in Xpdf versions up to and including 4.06, which can occur when rendering glyphs in Type 3 fonts with zero height. This flaw may cause the application to crash, potentially impacting users who rely on Xpdf for PDF rendering. It is crucial for users and administrators to be aware of this issue and implement necessary measures to mitigate any associated risks.

Affected Version(s)

Xpdf all 4.06

References

https://www.xpdfreader.com/security-bug/CVE-2026-85458.html

CVSS V4

Score:
2.1
Severity:
LOW
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Local
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Hoang Huy Nguyen
.