Nginx Worker Process Crash (SIGSEGV)

Danny Y@zendannyy

•updated Jun 4, 2026•8•0•15

This rule detects crashes in Nginx worker processes, specifically looking for messages indicating a 'signal 11' or 'SIGSEGV' error. This could be indicative of a vulnerability being exploited (e.g., CVE-2026-42945) or other critical software malfunctions.