USN-5959-1: Kerberos vulnerabilities

Web: https://ubuntu.com/security/notices/USN-5959-1

It was discovered that Kerberos incorrectly handled memory when processing
KDC data, which could lead to a NULL pointer dereference. An attacker could
possibly use this issue to cause a denial of service or have other
unspecified impacts. (CVE-2021-36222, CVE-2021-37750)

kerberos usn vulnerabilities