CVE-2023-51106: Artifex Mupdf

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

A floating point exception (divide-by-zero) vulnerability was discovered in mupdf 1.23.4 in function pnm_binary_read_image() of load-pnm.c when fz_colorspace_n returns zero.

Affected products

• Artifex Mupdf: version 1.23.4 only

Published 2023-12-26. Last modified 2026-06-17.