Stay Secure with the Latest Linux Advisories

security advisorybuffer overflowFedora

Fedora 41: krb5 Update FEDORA-2025-3e5228ee23 Moderate: Buffer Overflow Fix

Prevent overflow when calculating ulog block size (CVE-2025-24528) Support PKCS11 EC client certs in PKINIT kdb5_util: fix DB entry flags on modification Add ECDH support for PKINIT (RFC5349). -------------------------------------------------------------------------------- Fedora Update Notification FEDORA-2025-3e5228ee23 2025-02-14 01:35:06.429278+00:00 -------------------------------------------------------------------------------- Name : krb5 Product : Fedora 41 Version : 1.21.3 Release : 4.fc41 URL : https://web.mit.edu/kerberos/www/ Summary : The Kerberos network authentication system Description : 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: Prevent overflow when calculating ulog block size (CVE-2025-24528) Support PKCS11 EC client certs in PKINIT kdb5_util: fix DB entry flags on modification Add ECDH support for PKINIT (RFC5349) -------------------------------------------------------------------------------- ChangeLog: * Tue Feb 11 2025 Julien Rische - 1.21.3-4 - Prevent overflow when calculating ulog block size (CVE-2025-24528) Resolves: rhbz#2342811 - Support PKCS11 EC client certs in PKINIT Resolves: rhbz#2341962 - kdb5_util: fix DB entry flags on modification Resolves: rhbz#2336555 - Add ECDH support for PKINIT (RFC5349) Resolves: rhbz#2214326 -------------------------------------------------------------------------------- References: [ 1 ] Bug #2214326 - [RFE] Add ECDH support for PKINIT (RFC5349) [fedora] https://bugzilla.redhat.com/show_bug.cgi?id=2214326 [ 2 ] Bug #2336555 - kdb5_util: fix DB entry flags on modification [fedora] https://bugzilla.redhat.com/show_bug.cgi?id=2336555 [ 3 ] Bug #2341962 - Support PKCS11 EC clientcerts in PKINIT [fedora] https://bugzilla.redhat.com/show_bug.cgi?id=2341962 [ 4 ] Bug #2342811 - CVE-2025-24528 krb5: overflow when calculating ulog block size [fedora-41] https://bugzilla.redhat.com/show_bug.cgi?id=2342811 -------------------------------------------------------------------------------- This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2025-3e5228ee23' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label All packages are signed with the Fedora Project GPG key. More details on the GPG keys used by the Fedora Project can be found at https://fedoraproject.org/security/ -------------------------------------------------------------------------------- -- _______________________________________________ package-announce mailing list -- This email address is being protected from spambots. You need JavaScript enabled to view it. To unsubscribe send an email to This email address is being protected from spambots. You need JavaScript enabled to view it. Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/This email address is being protected from spambots. You need JavaScript enabled to view it. Do not reply to spam, report it: . Fedora enhances krb5 to avert buffer overflow in ulog and improves PKINIT by incorporating support for EC certificates. Discover the specifics.. Fedora Update, krb5 Security, DoS Prevention, PKINIT Improvements. . LinuxSecurity.com Team

Feb 14, 2025 Fedora