Parse Server 9.0.0 before 9.10.7-alpha.1 ReDoS via Email Validation Regex
Parse Server before 8.6.115 and 9.0.0 before 9.10.7-alpha.1 validates user email address format with a regular expression whose run time grows quadratically with input length and that is applied without a length limit. An unauthenticated attacker who knows th…