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High RLSA-2024:9474 1 CVE

Important: krb5 security update

Published Mar 17, 2025 · Updated Feb 5, 2026

Summary

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):

* freeradius: forgery attack (CVE-2024-3596)

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.

Fixed packages 1

ReleasePackageFixed in
Rocky Linux · 9 krb5 0:1.21.1-4.el9_5

Vulnerabilities 1

  • Critical 9.0
    CVE-2024-3596 Public exploit EPSS 15%

    RADIUS Protocol under RFC2865 is vulnerable to forgery attacks.

    RADIUS Protocol under RFC 2865 is susceptible to forgery attacks by a local attacker who can modify any valid Response (Access-Accept, Access-Reject, or Access-Challenge) to any other response using a chosen-prefix collision attack against MD5 Response Authen…

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2263240