CVE-2020-24996: Xpdfreader Xpdf

High severity, CVSS 7.8. EPSS: 1.1% chance of exploitation in the next 30 days.

There is an invalid memory access in the function TextString::~TextString() located in Catalog.cc in Xpdf 4.0.2. It can be triggered by (for example) sending a crafted pdf file to the pdftohtml binary, which allows a remote attacker to cause a Denial of Service (Segmentation fault) or possibly have unspecified other impact.

Affected products

• Xpdfreader Xpdf: version 4.0.2 only

Published 2020-09-03. Last modified 2026-06-17.