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Fedora 44 FreeIPA Critical Samba Remote Code Execution Fix 2026-7567819345

fedora
Calendar Grey June 1, 2026
Dist Fedora Esm H88
Critical security advisory for Fedora 44 addresses multiple Samba vulnerabilities, including remote code execution threats.
Update to Samba 4.24.3 - 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 4.24.3 - Security fix for CVE-2026-4480, CVE-2026-2340, CVE-2026-3012, CVE-2026-1933, CVE-2026-4408, and CVE-2026-3238

Topics%20covered

Topics Covered

security advisory critical remote code execution DoS samba FreeIPA

Change Log

* Fri May 29 2026 Alexander Bokovoy - 4.13.1-12 - Rebuild against Samba 4.24.3

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 #2481468 - samba-4.24.3 is available https://bugzilla.redhat.com/show_bug.cgi?id=2481468 [ 3 ] 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 [ 4 ] Bug #2481875 - CVE-2026-2340 samba: vfs_worm does not block directory modification [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2481875 [ 5 ] 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-2026-7567819345' 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

Severity
critical
Lowest
Low
Medium
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Critical

Name: freeipa
Product: Fedora 44
Version: 4.13.1
Release: 12.fc44
URL: http://www.freeipa.org/
Summary: The Identity, Policy and Audit system

Topics%20covered

Topics Covered

security advisory critical remote code execution DoS samba FreeIPA

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