CVE-2026-79770

A flaw was found in Nokogiri. A remote attacker can inject specially crafted CSS selectors into methods such as Nodecss or Nodeatcss. This injection can lead to regular expression denial of service ReDoS due to exponential regex backtracking, causing the application to become unresponsive...

CVE-2021-32821 Regular expression Denial of Service in MooTools

MooTools is a collection of JavaScript utilities for JavaScript developers. All known versions include a CSS selector parser that is vulnerable to Regular Expression Denial of Service ReDoS. An attack requires that an attacker can inject a string into a CSS selector at runtime, which is quite...