CVE-2025-58767

CVE-2025-58767 affects the Ruby XML toolkit REXML. The vulnerability exists in the REXML gem for versions 3.3.3–3.4.1 when parsing XML containing multiple XML declarations, leading to a DoS. A fix is available in REXML 3.4.2 and later. Remediate by upgrading to a patched version (3.4.2+). The con...