An issue was discovered in OWASP ModSecurity Core Rule Set (CRS) through 3.1.0. /rules/REQUEST-932-APPLICATION-ATTACK-RCE.conf allows remote attackers to cause a denial of service (ReDOS) by entering a specially crafted string with nested repetition operators. NOTE: the software maintainer disputes that this is a vulnerability because the issue cannot be exploited via ModSecurity
https://github.com/SpiderLabs/owasp-modsecurity-crs/issues/1372
https://github.com/SpiderLabs/owasp-modsecurity-crs/issues/1354