CVE-2018-7174: Xpdfreader Xpdf

Medium severity, CVSS 5.5. EPSS: 0.8% chance of exploitation in the next 30 days.

An issue was discovered in xpdf 4.00. An infinite loop in XRef::Xref allows an attacker to cause denial of service because loop detection exists only for tables, not streams.

Affected products

• Xpdfreader Xpdf: version 4.00 only

Published 2018-02-15. Last modified 2026-06-17.