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Fedora 38 FEDORA-2023-ca086f015c Critical: KRB5 Double-Free Issue

fedora
Calendar Grey August 10, 2023
Dist Fedora Esm H88
Urgent correction for memory leak problem in krb5 boosts protection against network threats. Upgrade immediately!
This is a backport of the upstream fix for CVE-2023-39975: https://github.com/krb5/krb5/pull/1312

Summary

Kerberos V5 is a trusted-third-party network authentication system,

which can improve your network's security by eliminating the insecure

practice of sending passwords over the network in unencrypted form.

Update Information:

This is a backport of the upstream fix for CVE-2023-39975: https://github.com/krb5/krb5/pull/1312

Topics%20covered

Topics Covered

security advisory Fedora security fix krb5 double free network authentication

Change Log

* Tue Aug 8 2023 Julien Rische - 1.21-3 - Fix double-free in KDC TGS processing (CVE-2023-39975)

References


[ 1 ] Bug #2229113 - Double free in MIT Kerberos 1.21 https://bugzilla.redhat.com/show_bug.cgi?id=2229113

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2023-ca086f015c' at the command line. For more information, refer to the dnf documentation available at https://dnf.readthedocs.io/en/latest/command_ref.html

Severity
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Name: krb5
Product: Fedora 38
Version: 1.21
Release: 3.fc38
URL: https://web.mit.edu/kerberos/www/
Summary: The Kerberos network authentication system

Topics%20covered

Topics Covered

security advisory Fedora security fix krb5 double free network authentication

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