HIGH 7.1 Microsoft
CVE-2025-24528
In MIT Kerberos 5 (aka krb5) before 1.22 (with incremental propagation), there is an integer overflow for a large update size to resize() in kdb_log.c. An authenticated attacker can cause an out-of-bounds write and kadmind daemon crash.
Microsoft Security Update 2026-Jan: In MIT Kerberos 5 (aka krb5) before 1.22 (with incremental propagation), there is an integer overflow for a large update size to resize() in kdb_log.c. An authenticated attacker can cause an out-of-bounds write and kadmind daemon crash.
Affected Products
- azl3 krb5 1.21.3-2 on Azure Linux 3.0
- cbl2 krb5 1.19.4-4 on CBL Mariner 2.0
- cbl2 krb5 1.19.4-5 on CBL Mariner 2.0
- azl3 krb5 1.21.3-3 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-24528
- https://nvd.nist.gov/vuln/detail/CVE-2025-24528
This high severity vulnerability with a CVSS score of 7.1 was published on 2026-01-13 via Microsoft. Affected: azl3 krb5 1.21.3-2 on Azure Linux 3.0, cbl2 krb5 1.19.4-4 on CBL Mariner 2.0, cbl2 krb5 1.19.4-5 on CBL Mariner 2.0 and 1 more.
vulnfeed aggregates 9044 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.