CVE-2021-39541: Pdftools Project Pdftools

Medium severity, CVSS 5.5. EPSS: 0.6% chance of exploitation in the next 30 days.

An issue was discovered in pdftools through 20200714. A NULL pointer dereference exists in the function Analyze::AnalyzeXref() located in analyze.cpp. It allows an attacker to cause Denial of Service.

Affected products

• Pdftools Project Pdftools: up to and including 2020-07-14

Published 2021-09-20. Last modified 2026-06-17.