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.

References

https://lists.debian.org/debian-lts-announce/2025/02/msg00029.html

https://github.com/krb5/krb5/compare/krb5-1.21.3-final...krb5-1.22-final

https://github.com/krb5/krb5/commit/78ceba024b64d49612375be4a12d1c066b0bfbd0

Details

Source: Mitre, NVD

Published: 2026-01-16

Updated: 2026-01-16

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 7.1

Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:H

Severity: High

EPSS

EPSS: 0.00015