CVE-2022-29169 ReDoS on endpoint html5client/useragent in BigBlueButton

BigBlueButton is an open source web conferencing system. Versions starting with 2.2 and prior to 2.3.19, 2.4.7, and 2.5.0-beta.2 are vulnerable to regular expression denial of service ReDoS attacks. By using specific a RegularExpression, an attacker can cause denial of service for the bbb-html5...