libxml2 is vulnerable to denial of service. It is due to a NULL pointer dereference when post-validating mix content parsed in recovery mode.
bugzilla.redhat.com/show_bug.cgi?id=1956522
lists.debian.org/debian-lts-announce/2021/05/msg00008.html
lists.fedoraproject.org/archives/list/[email protected]/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6/
lists.fedoraproject.org/archives/list/[email protected]/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV/
security-tracker.debian.org/tracker/CVE-2021-3537
security.gentoo.org/glsa/202107-05
security.netapp.com/advisory/ntap-20210625-0002/
www.oracle.com/security-alerts/cpuapr2022.html
www.oracle.com/security-alerts/cpujul2022.html
www.oracle.com/security-alerts/cpuoct2021.html