CVE-2025-11896

Stack overflow in Xpdf 4.05 due to object loop in PDF CMap

State: Published
Severity: 2.1 Low
Published: Oct 16, 2025
Updated: Oct 17, 2025
Reserved: Oct 16, 2025

Description

In Xpdf 4.05 (and earlier), a PDF object loop in a CMap, via the "UseCMap" entry, leads to infinite recursion and a stack overflow.

Scores

CVSS	Score	Vector	Source
4.0	2.1 Low	CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N	GandC

Weaknesses

CWE-674 Uncontrolled Recursion

Affected Products

Product	Versions
XpdfXpdf	4.05 and earlierAffected

References

https://www.xpdfreader.com/security-bug/object-loops.html

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