Red Hat alert RHSA-2025:8411-01 (krb5)

An update for krb5 is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of
Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

Kerberos is a network authentication system, which can improve the security
of your network by eliminating the insecure practice of sending passwords
over the network in unencrypted form. It allows clients and servers to
authenticate to each other with the help of a trusted third party, the
Kerberos key distribution center (KDC).

Security Fix(es):

* krb5: Kerberos RC4-HMAC-MD5 Checksum Vulnerability Enabling Message
Spoofing via MD5 Collisions (CVE-2025-3576)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

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Original: https://access.redhat.com/security/data/csaf/v2/advisories/2025/rhsa-2025_8411.json