This update for samba fixes the following issues: Version update to 4.15.12. Security issues fixed: - CVE-2022-2031: Fixed AD users that could have bypassed certain restrictions associated with changing passwords . - CVE-2022-32742: Fixed SMB1 code that does not correctly verify SMB1write, SMB1write_and_close, SMB1write_and_unlock lengths . - CVE-2022-32744: Fixed AD users that could have forged password change requests for any user . - CVE-2022-32745: Fixed AD users that could have crashed the server process with an LDAP add or modify request . - CVE-2022-32746: Fixed a use-after-free occurring in database audit logging . - CVE-2022-3437: Fixed buffer overflow in Heimdal unwrap_des3 . - CVE-2022-42898: Fixed Samba buffer overflow vulnerabilities on 32-bit systems . Bug fixes: - Install a systemd drop-in file for named service to allow read/write access to the DLZ directory . - Possible use after free of connection_struct when iterating smbd_server_connection-greater than connections .