CVE-2025-24528

CVE-2025-24528 is a high-severity vulnerability with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-190.

Key facts

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.

Frequently asked questions

What is 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.
How severe is CVE-2025-24528?
CVE-2025-24528 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability high.
Is CVE-2025-24528 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-24528?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-24528 have an EU (EUVD) identifier?
Yes. CVE-2025-24528 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2883.
When was CVE-2025-24528 published?
CVE-2025-24528 was published on 2026-01-16 and last updated on 2026-06-17.

References

Other CWE-190 (Integer Overflow or Wraparound) vulnerabilities

Browse all CWE-190 (Integer Overflow or Wraparound) vulnerabilities →