High 7.1Published Jan 15, 2026

CVE-2025-24528In 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.

Updated under an hour ago (Oct 26, 2026, 8:10 PM ET)

Does this affect you?

It affects MIT Kerberos 5. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for MIT Kerberos 5

Exploited in the last 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.

CVSS: 7.1 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:H
Weakness (CWE): CWE-190
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: mitre
NVD analysis: Deferred
Record last updated: Jan 16, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

MIT Kerberos 5 mit:kerberos_5 (from the name)	from 1.7 before 1.22	CNA record

References

References

https://github.com/krb5/krb5/commit/78ceba024b64d49612375be4a12d1c066b0bfbd0
https://github.com/krb5/krb5/compare/krb5-1.21.3-final...krb5-1.22-final
https://lists.debian.org/debian-lts-announce/2025/02/msg00029.html

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.