CVE-2021-37750

MEDIUM

MIT Kerberos 5 < 1.18.5 - NULL Pointer Dereference

Title source: rule
STIX 2.1

Description

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.

References (8)

Core 8
Core References
Mailing List, Third Party Advisory mailing-list
https://lists.debian.org/debian-lts-announce/2021/09/msg00019.html
Release Notes, Third Party Advisory
https://github.com/krb5/krb5/releases

Scores

CVSS v3 6.5
EPSS 0.0072
EPSS Percentile 72.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-476
Status published
Products (5)
debian/debian_linux 9.0
fedoraproject/fedora 33
mit/kerberos_5 < 1.18.5
oracle/communications_cloud_native_core_network_slice_selection_function 22.1.0
starwindsoftware/starwind_virtual_san v8r13 14338
Published Aug 23, 2021
Tracked Since Feb 18, 2026