On October 1, 2026, the Samba Team announced the release of Samba 4.23.13, which includes seven bug fixes related to file services, SMB3 signing, winbind, CTDB clustering, and Python tooling, one of which addresses a critical out-of-bounds read issue. This release marks the end-of-life for the 4.22 series, which followed the launch of 4.25.0 on September 24, with 4.23 still receiving security backports. Sysadmins are advised to upgrade from 4.22, while users of 4.23 can safely install this maintenance release. The 4.25 version introduces new features such as experimental SMB3 Persistent Handles and a new CTDB cluster functional level, although it comes with performance considerations for specific workloads

Samba 4.23.13 Release: 7 Bug Fixes as 4.22 Series Hits End-of-Life

Samba Team member Björn Jacke announced 4.23.13 on Thursday, Oct. 1, 2026, as the latest point release of the maintained 4.23 stable branch. The update bundles seven bug fixes spanning file services, SMB3 signing, winbind, CTDB clustering, and Python tooling, including one that closes an out-of-bounds read. It also flagged that the 4.22 series is now end-of-life after 4.25.0 launched on September 24, though 4.23 keeps receiving security backports. Administrators on 4.22 should upgrade, while 4.23 users can safely install the release as-is.

Samba 4.23.13 Release: 7 Bug Fixes as 4.22 Series Hits End-of-Life @ Linux Compatible