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.
Fix
Patch, vendor advisory and mitigation references on NVD 6
- https://github.com/krb5/krb5/commit/d775c95af7606a51bf79547a94fa52ddd1cb7f49 Patch, Third Party Advisory
- https://web.mit.edu/kerberos/advisories/ Vendor Advisory
- https://www.oracle.com/security-alerts/cpujul2022.html Patch, Third Party Advisory
- https://github.com/krb5/krb5/commit/d775c95af7606a51bf79547a94fa52ddd1cb7f49 Patch, Third Party Advisory
- https://web.mit.edu/kerberos/advisories/ Vendor Advisory
- https://www.oracle.com/security-alerts/cpujul2022.html Patch, Third Party Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 6.5 · mit, fedoraproject, debianNVD modified 2026-10-14 12:17
Affected (CPE criteria) 5
cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:*cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8r13:14338:*:*:*:*:*:*cpe:2.3:a:oracle:communications_cloud_native_core_network_slice_selection_function:22.1.0:*:*:*:*:*:*:*
References 17
- https://github.com/krb5/krb5/commit/d775c95af7606a51bf79547a94fa52ddd1cb7f49 Patch, Third Party Advisory
- https://github.com/krb5/krb5/releases Release Notes, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/09/msg00019.html Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MFCLW7D46E4VCREKKH453T5DA4XOLHU2/
- https://security.netapp.com/advisory/ntap-20210923-0002/ Third Party Advisory
- https://web.mit.edu/kerberos/advisories/ Vendor Advisory
- https://www.oracle.com/security-alerts/cpujul2022.html Patch, Third Party Advisory
- https://www.starwindsoftware.com/security/sw-20220817-0004/ Third Party Advisory
- https://github.com/krb5/krb5/commit/d775c95af7606a51bf79547a94fa52ddd1cb7f49 Patch, Third Party Advisory
- https://github.com/krb5/krb5/releases Release Notes, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/09/msg00019.html Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MFCLW7D46E4VCREKKH453T5DA4XOLHU2/
- https://security.netapp.com/advisory/ntap-20210923-0002/ Third Party Advisory
- https://web.mit.edu/kerberos/advisories/ Vendor Advisory
- https://www.oracle.com/security-alerts/cpujul2022.html Patch, Third Party Advisory
- https://www.starwindsoftware.com/security/sw-20220817-0004/ Third Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html