Description
REXML is an XML toolkit for Ruby. The REXML gem before 3.3.2 has some DoS vulnerabilities when it parses an XML that has many specific characters such as whitespace character, `>]` and `]>`. The REXML gem 3.3.3 or later include the patches to fix these vulnerabilities.
References
https://github.com/ruby/rexml/security/advisories/GHSA-r55c-59qm-vjw6
https://github.com/ruby/rexml/security/advisories/GHSA-4xqq-m2hx-25v8
https://github.com/ruby/rexml/security/advisories/GHSA-vg3r-rm7w-2xgh
https://www.ruby-lang.org/en/news/2024/08/01/dos-rexml-cve-2024-41123