The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.5 and 1.19.x before 1.19.3 has a NULL pointer dereference in kdc/do_tgs_req.c via a FAST inner body that lacks a server field.

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2021-37750 · Microsoft / collected KEV context

cve-program · CVE-2021-37750

• https://web.mit.edu/kerberos/advisories/
• https://github.com/krb5/krb5/releases
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MFCLW7D46E4VCREKKH453T5DA4XOLHU2/
• https://lists.debian.org/debian-lts-announce/2021/09/msg00019.html
• https://www.oracle.com/security-alerts/cpujul2022.html
• https://github.com/krb5/krb5/commit/d775c95af7606a51bf79547a94fa52ddd1cb7f49
• https://security.netapp.com/advisory/ntap-20210923-0002/
• https://www.starwindsoftware.com/security/sw-20220817-0004/

No related operational record is retained in the current change model.