CVE-2019-13067: F5 Njs

Critical severity, CVSS 9.8. EPSS: 1.6% chance of exploitation in the next 30 days.

njs through 0.3.3, used in NGINX, has a buffer over-read in nxt_utf8_decode in nxt/nxt_utf8.c. This issue occurs after the fix for CVE-2019-12207 is in place.

Affected products

• F5 Njs: up to and including 0.3.3

Published 2019-06-30. Last modified 2026-06-17.