High severity8.8NVD Advisory· Published Aug 16, 2023· Updated Jun 17, 2026
CVE-2023-39975
CVE-2023-39975
Description
kdc/do_tgs_req.c in MIT Kerberos 5 (aka krb5) 1.21 before 1.21.2 has a double free that is reachable if an authenticated user can trigger an authorization-data handling failure. Incorrect data is copied from one ticket to another.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
10- MIT Kerberos 5/MIT Kerberos 5description
- Range: <1.21.2
- osv-coords8 versionspkg:rpm/almalinux/krb5-develpkg:rpm/almalinux/krb5-libspkg:rpm/almalinux/krb5-pkinitpkg:rpm/almalinux/krb5-serverpkg:rpm/almalinux/krb5-server-ldappkg:rpm/almalinux/krb5-workstationpkg:rpm/almalinux/libkadm5pkg:rpm/opensuse/krb5&distro=openSUSE%20Tumbleweed
< 1.21.1-1.el9+ 7 more
- (no CPE)range: < 1.21.1-1.el9
- (no CPE)range: < 1.21.1-1.el9
- (no CPE)range: < 1.21.1-1.el9
- (no CPE)range: < 1.21.1-1.el9
- (no CPE)range: < 1.21.1-1.el9
- (no CPE)range: < 1.21.1-1.el9
- (no CPE)range: < 1.21.1-1.el9
- (no CPE)range: < 1.21.2-1.1
Patches
Vulnerability mechanics
References
6- github.com/krb5/krb5/commit/88a1701b423c13991a8064feeb26952d3641d840nvdPatch
- github.com/krb5/krb5/compare/krb5-1.21.1-final...krb5-1.21.2-finalnvdPatch
- web.mit.edu/kerberos/www/advisories/nvdVendor Advisory
- security.netapp.com/advisory/ntap-20230915-0014/nvd
- security.netapp.com/advisory/ntap-20240201-0005/nvd
- security.netapp.com/advisory/ntap-20240201-0008/nvd
News mentions
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