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.
Scores
CVSS v3
7.1
EPSS
0.0021
EPSS Percentile
42.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-190
Status
published
Products (1)
MIT/Kerberos 5
1.7 - 1.22
Published
Jan 16, 2026
Tracked Since
Feb 18, 2026