When building nested elements using xml.dom.minidom methods such as appendChild() that have a dependency on _clear_id_cache() the algorithm is quadratic. Availability can be impacted when building excessively nested documents.
CVE-2025-12084: When building nested elements using xml.dom.minidom methods such as appendChild() that have a dependency on _clear_id_c…
CVE-2025-12084: xml.dom.minidom's quadratic algorithm in nested element building impacts availability due to excessive nesting.