Multiple security vulnerabilities have been discovered in the Heimdal implementation of the Kerberos 5 network authentication protocols and KDC.
- - CVE-2022-42898 PAC parse integer overflows
- - CVE-2022-3437 Overflows and non-constant time leaks in DES{,3} and arcfour
- - CVE-2021-44758 NULL dereference DoS in SPNEGO acceptors
- - CVE-2022-44640 Heimdal KDC: invalid free in ASN.1 codec
- - CVE-2019-14870 Validate client attributes in protocol-transition
- - CVE-2019-14870 Apply forwardable policy in protocol-transition
- - CVE-2019-14870 Always lookup impersonate client in DB
