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1 result · filtered
topic: regex
id
incident
org
date
duration
severity
tags
FM-001
The Regex That Burned Every Cloudflare CPUA new managed WAF rule contained a regex that backtracked exponentially on live HTTP traffic, spiking CPU to nearly 100% across every edge server worldwide within seconds of deployment.
Cloudflare
2019-07-02
27m
SEV-1
wafregexcpu