CVE-2021-45005: Artifex Mujs

Critical severity, CVSS 9.8. EPSS: 1.4% chance of exploitation in the next 30 days.

Artifex MuJS v1.1.3 was discovered to contain a heap buffer overflow which is caused by conflicting JumpList of nested try/finally statements.

Affected products

• Artifex Mujs: version 1.1.3 only

Published 2022-02-14. Last modified 2026-06-17.