CVE-2018-21240: Foxitsoftware Phantompdf

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

An issue was discovered in Foxit Reader and PhantomPDF before 9.2. It allows memory consumption via an ArrayBuffer(0xfffffffe) call.

Affected products

• Foxitsoftware Phantompdf: before 9.2 (fixed in 9.2)
• Foxitsoftware Reader: before 9.2 (fixed in 9.2)

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