CVE-2025-24528: Mit Kerberos 5

High severity, CVSS 7.1. EPSS: 0.5% chance of exploitation in the next 30 days.

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

• Mit Kerberos 5: from 1.7, before 1.22 (fixed in 1.22)

Published 2026-01-16. Last modified 2026-06-17.