CVE-2018-21238: Foxitsoftware Phantompdf

High severity, CVSS 7.5. EPSS: 1% chance of exploitation in the next 30 days.

An issue was discovered in Foxit PhantomPDF before 8.3.7. It allows memory consumption via an ArrayBuffer(0xfffffffe) call.

Affected products

• Foxitsoftware Phantompdf: before 8.3.7 (fixed in 8.3.7)

Published 2020-06-04. Last modified 2026-06-17.