CVE-2020-24343: Artifex Mujs

High severity, CVSS 7.8. EPSS: 0.8% chance of exploitation in the next 30 days.

Artifex MuJS through 1.0.7 has a use-after-free in jsrun.c because of unconditional marking in jsgc.c.

Affected products

• Artifex Mujs: up to and including 1.0.7

Published 2020-08-13. Last modified 2026-06-17.