cve/2020/CVE-2020-24996.md

CVE-2020-24996

Description

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.

POC

Reference

• https://forum.xpdfreader.com/viewtopic.php?f=3&t=42028
• https://forum.xpdfreader.com/viewtopic.php?f=3&t=42028

Github

• https://github.com/0xCyberY/CVE-T4PDF
• https://github.com/404notf0und/CVE-Flow
• https://github.com/ARPSyndicate/cvemon