CVE-2023-31794: Artifex Mupdf

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

MuPDF v1.21.1 was discovered to contain an infinite recursion in the component pdf_mark_list_push. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted PDF file.

Affected products

• Artifex Mupdf: version 1.21.1 only

Published 2023-10-31. Last modified 2026-06-17.