Fedora alert FEDORA-2026-fc81581a79 (samba)

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[SECURITY] Fedora 43 Update: samba-4.23.8-1.fc43
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Fri, 05 Jun 2026 04:10:11 +0000
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<20260605041011.3F01B6A3C9@bastion01.rdu3.fedoraproject.org>
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Article
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Fedora Update Notification
FEDORA-2026-fc81581a79
2026-06-05 04:07:33.980053+00:00
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Name        : samba
Product     : Fedora 43
Version     : 4.23.8
Release     : 1.fc43
URL         : https://www.samba.org
Summary     : Server and Client software to interoperate with Windows machines
Description :
Samba is the standard Windows interoperability suite of programs for Linux and
Unix.

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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
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ChangeLog:

* Thu May 28 2026 Günther Deschner <gd@samba.org> - 2:4.23.8-1
- Update to Samba 4.23.8
- resolves: rhbz#2481447 - Security fix for CVE-2026-4480
- resolves: rhbz#2481875 - Security fix for CVE-2026-2340
- resolves: rhbz#2481857 - Security fix for CVE-2026-3012
- resolves: rhbz#2481876 - Security fix for CVE-2026-1933
- Security fix for CVE-2026-4408
- Security fix for CVE-2026-3238
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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
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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#upgr...

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/keys
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