CVE-2025-24528
High
Description
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.
SeverityHigh
CVSS7.1
Exploit probability—
ProductKerberos 5
PublishedJan 16, 2026
First seenJan 16, 2026
Weakness typeCWE-190Integer overflow
How to fix
Update
- MIT Kerberos 51.22 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| MIT Kerberos 5 | 1.7 ≤ v < 1.22 | 1.22 |
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