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.

Overview

Severity
High (CVSS 7.1)
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:H/E:U
Exploit Status
Not Exploited
Patch Tuesday
2026-Jan
Released
2026-01-21
Last Updated
2026-02-18
EPSS Score
0.21% (percentile: 42.7%)

Affected Products (4)

Other

  • 17812-17084
  • 20384-17086
  • 20903-17086
  • 20902-17084

Revision History

  • 2026-01-21: Information published.
  • 2026-02-18: Information published.