MEDIUM 5.9 Microsoft

CVE-2025-3576

Krb5: kerberos rc4-hmac-md5 checksum vulnerability enabling message spoofing via md5 collisions

Microsoft Security Update 2025-Apr: Krb5: kerberos rc4-hmac-md5 checksum vulnerability enabling message spoofing via md5 collisions

Affected Products

cbl2 krb5 1.19.4-3 on CBL Mariner 2.0
cbl2 krb5 1.19.4-4 on CBL Mariner 2.0
cbl2 krb5 1.19.4-4 on CBL-Mariner 2.0
azl3 krb5 1.21.3-2 on Azure Linux 3.0

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-3576
https://nvd.nist.gov/vuln/detail/CVE-2025-3576

Published: 2025-04-08 · Source: Microsoft · Feed updated: 2026-08-24

This medium severity vulnerability with a CVSS score of 5.9 was published on 2025-04-08 via Microsoft. Affected: cbl2 krb5 1.19.4-3 on CBL Mariner 2.0, cbl2 krb5 1.19.4-4 on CBL Mariner 2.0, cbl2 krb5 1.19.4-4 on CBL-Mariner 2.0 and 1 more.

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