This update for samba and ldb fixes the following issues: - CVE-2020-25718: Fixed that an RODC can issue administrator tickets to other servers . - CVE-2021-3738: Fixed crash in dsdb stack . - CVE-2016-2124: Fixed not to fallback to non spnego authentication if we require kerberos . - CVE-2020-25717: Fixed privilege escalation inside an AD Domain where a user could become root on domain members . - CVE-2020-25719: Fixed AD DC Username based races when no PAC is given . - CVE-2020-25722: Fixed AD DC UPN vs samAccountName not checked . - CVE-2021-23192: Fixed dcerpc requests to don"t check all fragments against the first auth_state . - CVE-2020-25721: Fixed fill in the new HAS_SAM_NAME_AND_SID values . Samba was updated to 4.13.13 * rodc_rwdc test flaps;. * Backport bronze bit fixes, tests, and selftest improvements; . * Provide a fix for MS CVE-2020-17049 in Samba [SECURITY] "Bronze bit" S4U2Proxy Constrained Delegation bypass in Samba with embedded Heimdal;. * Python ldb.msg_diff memory handling failure;. * "in" operator on ldb.Message is case sensitive;. * Fix Samba support for UF_NO_AUTH_DATA_REQUIRED;. * Allow special chars like "@" in samAccountName when generating the salt;. * Fix transit path validation;. * Prepare to operate with MIT krb5 greater than or equal to = 1.20;. * rpcclient NetFileEnum and net rpc file both cause lock order violation: brlock.tdb, share_entries.tdb;. * Python ldb.msg_diff memory handling failure;. * Release LDB 2.3.1 for Samba 4.14.9;. Samba was updated to 4.13.12: * Address a signifcant performance regression in database access in the AD DC since Samba 4.12;. * Fix performance regression in lsa_LookupSids3/LookupNames4 since Samba 4.9 by using an explicit database handle cache; . * An unuthenticated user can crash the AD DC KDC by omitting the server name in a TGS-REQ;. * Address flapping samba_tool_drs_showrepl test;. * Address flapping dsdb_schema_attributes test;. * An unuthenticated user can crash the AD DC KDC by omitting the server name in a TGS-REQ;. * Fix CTDB flag/status update race conditions. Samba was updated to 4.13.11: * smbd: panic on force-close share during offload write; . * Fix returned attributes on fake quota file handle and avoid hitting the VFS;. * smbd: "deadtime" parameter doesn"t work anymore;. * net conf list crashes when run as normal user;. * Work around special SMB2 READ response behavior of NetApp Ontap 7.3.7;. * Start the SMB encryption as soon as possible;. * Winbind should not start if the socket path for the privileged pipe is too long;. ldb was updated to 2.2.2: + CVE-2020-25718: samba: An RODC can issue administrator tickets to other servers; ; + CVE-2021-3738: samba: crash in dsdb stack; ; Release ldb 2.2.2 + Corrected python behaviour for "in" for LDAP attributes contained as part of ldb.Message;. + Fix memory handling in ldb.msg_diff Corrected python docstrings; + Backport bronze bit fixes, tests, and selftest improvements; .