CVE-2017-17858: Artifex Mupdf

High severity, CVSS 7.8. EPSS: 2.7% chance of exploitation in the next 30 days.

Heap-based buffer overflow in the ensure_solid_xref function in pdf/pdf-xref.c in Artifex MuPDF 1.12.0 allows a remote attacker to potentially execute arbitrary code via a crafted PDF file, because xref subsection object numbers are unrestricted.

Affected products

• Artifex Mupdf: version 1.12.0 only

Published 2018-01-22. Last modified 2026-06-17.