Fedora 43 FreeIPA Advisory 2026-fc81581a79 Security Fix for RCE Issue
fedora
June 5, 2026
Update to Samba 4.23.8 - Security fix for CVE-2026-4480, CVE-2026-2340, CVE-2026-3012, CVE-2026-1933, CVE-2026-4408, and CVE-2026-3238
Summary
IPA is an integrated solution to provide centrally managed Identity (users,
hosts, services), Authentication (SSO, 2FA), and Authorization
(host access control, SELinux user roles, services). The solution provides
features for further integration with Linux based clients (SUDO, automount)
and integration with Active Directory based infrastructures (Trusts).
Update Information:
Update to Samba 4.23.8 - Security fix for CVE-2026-4480, CVE-2026-2340, CVE-2026-3012, CVE-2026-1933, CVE-2026-4408, and CVE-2026-3238
Topics Covered
Change Log
* Fri May 29 2026 Alexander Bokovoy
References
[ 1 ] Bug #2481447 - CVE-2026-4480 samba: Samba: Remote Code Execution in printing subsystem via unescaped job description [fedora-all]
https://bugzilla.redhat.com/show_bug.cgi?id=2481447
[ 2 ] Bug #2481857 - CVE-2026-3012 samba: group policy certificate enrollment uses http:// without validation [fedora-all]
https://bugzilla.redhat.com/show_bug.cgi?id=2481857
[ 3 ] Bug #2481875 - CVE-2026-2340 samba: vfs_worm does not block directory modification [fedora-all]
https://bugzilla.redhat.com/show_bug.cgi?id=2481875
[ 4 ] Bug #2481876 - CVE-2026-1933 samba: Missing access check on reparse point operations [fedora-all]
https://bugzilla.redhat.com/show_bug.cgi?id=2481876
Update Instructions
This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-fc81581a79' 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
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Severity
critical
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Critical
Name: freeipa
Product: Fedora 43
Version: 4.13.1
Release: 7.fc43
Summary: The Identity, Policy and Audit system
Topics Covered
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