CVE-2026-85458: Divide-by-zero in Xpdf 4.06 due to zero-height Type 3 glyph

Q: What input is required to trigger the issue?

The issue is triggered when Xpdf processes a Type 3 font containing a glyph with zero height. This would require opening or rendering content that includes such a font and glyph.

Q: Which versions are affected?

Xpdf 4.06 and earlier are affected. The provided data does not identify a fixed version or any workaround.

Published Sep 3, 2026

Updated

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

Affected Software

1 affected component

xpdf Xpdf<4.06

Event History

Sep 3, 2026

CVE Published

via MITRE·08:25 PM

Data Sourced

via MITRE·08:25 PM

DescriptionWeakness

Frequently Asked Questions

What input is required to trigger the issue?

The issue is triggered when Xpdf processes a Type 3 font containing a glyph with zero height. This would require opening or rendering content that includes such a font and glyph.

Which versions are affected?

Xpdf 4.06 and earlier are affected. The provided data does not identify a fixed version or any workaround.