There's a vulnerability within the Apache Xerces Java (XercesJ) XML parser when handling specially crafted XML document payloads. This causes, the XercesJ XML parser to wait in an infinite loop, which may sometimes consume system resources for prolonged duration. This vulnerability is present within XercesJ version 2.12.1 and the previous versions.
https://www.tenable.com/blog/oracle-april-2022-critical-patch-update-addresses-221-cves
https://www.oracle.com/security-alerts/cpujul2022.html
https://www.oracle.com/security-alerts/cpuapr2022.html
https://security.netapp.com/advisory/ntap-20221028-0005/
https://lists.apache.org/thread/6pjwm10bb69kq955fzr1n0nflnjd27dl