CVE-2019-12208: F5 Njs

Critical severity, CVSS 9.8. EPSS: 1.7% chance of exploitation in the next 30 days.

njs through 0.3.1, used in NGINX, has a heap-based buffer overflow in njs_function_native_call in njs/njs_function.c.

Affected products

• F5 Njs: up to and including 0.3.1

Published 2019-05-20. Last modified 2026-06-17.