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.

Published: 2026-01-16 Last update: 2026-04-15 Assigner: [email protected] Source: [email protected]
NVD Status：Deferred，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2025-24528 is rated Moderate Risk (43.3/100): CVSS High severity, with low exploitation likelihood (EPSS 0.21%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-24528

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-03-26 0.28% 0.21% -0.07%
2 2026-03-25 0.17% 0.28% +0.11%
3 2026-03-10 — 0.17% —

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-24528

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.1 3.1 HIGH
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:H)
Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 1.8 4.7 [email protected]

Weakness enumeration for CVE-2025-24528

OS Trackers for CVE-2025-24528

vendor priority summary link
debian not yet assigned CVE-2025-24528 not yet assigned priority: Debian including 1 source packages (krb5), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2025-24528
redhat medium — https://access.redhat.com/security/cve/CVE-2025-24528
suse medium CVE-2025-24528 severity moderate: SUSE including 492 source package names (0.0.17-1.1:crypto-policies-20230920.570ea89-150600.3.3.1, 0.0.17-1.1:krb5-1.20.1-150600.11.8.1, …), 1245 product×package rows across 433 product lines (Container bci/dotnet-aspnet, Container bci/dotnet-runtime, … (433 product lines)): Fixed 1023, Known Affected 221, Known Not Affected 1. https://www.suse.com/security/cve/CVE-2025-24528/
ubuntu medium CVE-2025-24528 medium priority: Ubuntu including 1 source packages (krb5), 10 status rows across 10 suites (bionic, focal, jammy, noble, oracular, plucky, questing, trusty, upstream, xenial): released 6, needs-triage 4. https://ubuntu.com/security/CVE-2025-24528

Affected software / configurations for CVE-2025-24528

Vendor Product Version Raw CPE
No affected products in dataset.

References for CVE-2025-24528

cvelogic Threat Intelligence