CVE-2018-7453: Xpdfreader Xpdf

Medium severity, CVSS 5.5. EPSS: 0.9% chance of exploitation in the next 30 days.

Infinite recursion in AcroForm::scanField in AcroForm.cc in xpdf 4.00 allows attackers to launch denial of service via a specific pdf file due to lack of loop checking, as demonstrated by pdftohtml.

Affected products

• Xpdfreader Xpdf: version 4.00 only

Published 2018-02-24. Last modified 2026-06-17.