Rust's regex crate vulnerable to regular expression denial of service
This is a cross-post of the official security advisory. The official advisory contains a signed version with our PGP key, as well. The Rust Security Response WG was notified that the regex crate did not properly limit the complexity of the regular expressions (regex) it parses. An attacker could use this security issue to perform a denial of service, by sending a specially crafted regex to a service accepting untrusted …