CVE-2025-24528
7.1CVSSHIGH
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.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:HAttack ComplexityHigh
PR:LPrivileges RequiredLow
UI:NUser InteractionNone
Scope
S:CScopeChanged
Impact
C:NConfidentialityNone
I:LIntegrityLow
A:HAvailabilityHigh
Weaknesses
Affected Products
Attack Graph
Products CVE Techniques Tactics
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Exploitability
Official Patch Available
MITRE ATT&CK
1 technique Initial Access
References
https://github.com/krb5/krb5/commit/78ceba024b64d49612375be4a12d1c066b0bfbd0
github.com
https://nvd.nist.gov/vuln/detail/CVE-2025-24528
nvd.nist.gov
https://security-tracker.debian.org/tracker/CVE-2025-24528
security-tracker.debian.org
and 8 more references View all →
Timeline
Published
Jan 16, 2026
Last Updated
Jan 26, 2026
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