What is CVE-2025-24528?

CVE-2025-24528 is a high-severity vulnerability in Mit Kerberos 5, classified under Integer Overflow or Wraparound. CVSS score: 7.1/10. Published 2026-01-16.

How severe is CVE-2025-24528?

High severity. CVSS v3 base score is 7.1 out of 10.

Is CVE-2025-24528 known to be exploited?

4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Integer overflow in Mit Kerberos 5

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.

Vulnerability class: Integer Overflow

EPSS: 0.002 (42.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:H.

Affected products

Mit Kerberos 5 — versions 1.7

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-24528?: CVE-2025-24528 is a high-severity vulnerability in Mit Kerberos 5, classified under Integer Overflow or Wraparound. CVSS score: 7.1/10. Published 2026-01-16.
How severe is CVE-2025-24528?: High severity. CVSS v3 base score is 7.1 out of 10.
Is CVE-2025-24528 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.