A use-after-free flaw was found in all samba LDAP server versions before 4.10.17, before 4.11.11, before 4.12.4 used in a AC DC configuration. A Samba LDAP user could use this flaw to crash samba.
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "libwbclient-dev": "2:4.7.6+dfsg~ubuntu-0ubuntu2.17", "samba-libs": "2:4.7.6+dfsg~ubuntu-0ubuntu2.17", "registry-tools": "2:4.7.6+dfsg~ubuntu-0ubuntu2.17", "samba-common-bin": "2:4.7.6+dfsg~ubuntu-0ubuntu2.17", "libwbclient0-dbgsym": "2:4.7.6+dfsg~ubuntu-0ubuntu2.17", "samba-dsdb-modules-dbgsym": "2:4.7.6+dfsg~ubuntu-0ubuntu2.17", "libpam-winbind-dbgsym": "2:4.7.6+dfsg~ubuntu-0ubuntu2.17", "libnss-winbind-dbgsym": "2:4.7.6+dfsg~ubuntu-0ubuntu2.17", "samba-dbgsym": "2:4.7.6+dfsg~ubuntu-0ubuntu2.17", "winbind": "2:4.7.6+dfsg~ubuntu-0ubuntu2.17", "samba-vfs-modules": "2:4.7.6+dfsg~ubuntu-0ubuntu2.17", "python-samba-dbgsym": "2:4.7.6+dfsg~ubuntu-0ubuntu2.17", "samba-common-bin-dbgsym": "2:4.7.6+dfsg~ubuntu-0ubuntu2.17", "samba-testsuite": "2:4.7.6+dfsg~ubuntu-0ubuntu2.17", "smbclient-dbgsym": "2:4.7.6+dfsg~ubuntu-0ubuntu2.17", "libsmbclient": "2:4.7.6+dfsg~ubuntu-0ubuntu2.17", "samba": "2:4.7.6+dfsg~ubuntu-0ubuntu2.17", "libwbclient0": "2:4.7.6+dfsg~ubuntu-0ubuntu2.17", "libsmbclient-dev": "2:4.7.6+dfsg~ubuntu-0ubuntu2.17", "python-samba": "2:4.7.6+dfsg~ubuntu-0ubuntu2.17", "samba-dsdb-modules": "2:4.7.6+dfsg~ubuntu-0ubuntu2.17", "registry-tools-dbgsym": "2:4.7.6+dfsg~ubuntu-0ubuntu2.17", "samba-vfs-modules-dbgsym": "2:4.7.6+dfsg~ubuntu-0ubuntu2.17", "ctdb": "2:4.7.6+dfsg~ubuntu-0ubuntu2.17", "libnss-winbind": "2:4.7.6+dfsg~ubuntu-0ubuntu2.17", "libsmbclient-dbgsym": "2:4.7.6+dfsg~ubuntu-0ubuntu2.17", "samba-libs-dbgsym": "2:4.7.6+dfsg~ubuntu-0ubuntu2.17", "winbind-dbgsym": "2:4.7.6+dfsg~ubuntu-0ubuntu2.17", "samba-testsuite-dbgsym": "2:4.7.6+dfsg~ubuntu-0ubuntu2.17", "samba-common": "2:4.7.6+dfsg~ubuntu-0ubuntu2.17", "libpam-winbind": "2:4.7.6+dfsg~ubuntu-0ubuntu2.17", "smbclient": "2:4.7.6+dfsg~ubuntu-0ubuntu2.17", "samba-dev": "2:4.7.6+dfsg~ubuntu-0ubuntu2.17", "libparse-pidl-perl": "2:4.7.6+dfsg~ubuntu-0ubuntu2.17", "ctdb-dbgsym": "2:4.7.6+dfsg~ubuntu-0ubuntu2.17" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "libwbclient-dev": "2:4.11.6+dfsg-0ubuntu1.3", "samba-libs": "2:4.11.6+dfsg-0ubuntu1.3", "registry-tools": "2:4.11.6+dfsg-0ubuntu1.3", "samba-common-bin": "2:4.11.6+dfsg-0ubuntu1.3", "libwbclient0-dbgsym": "2:4.11.6+dfsg-0ubuntu1.3", "samba-dsdb-modules-dbgsym": "2:4.11.6+dfsg-0ubuntu1.3", "libpam-winbind-dbgsym": "2:4.11.6+dfsg-0ubuntu1.3", "libnss-winbind-dbgsym": "2:4.11.6+dfsg-0ubuntu1.3", "python3-samba-dbgsym": "2:4.11.6+dfsg-0ubuntu1.3", "winbind": "2:4.11.6+dfsg-0ubuntu1.3", "samba-vfs-modules": "2:4.11.6+dfsg-0ubuntu1.3", "samba-dbgsym": "2:4.11.6+dfsg-0ubuntu1.3", "samba-common-bin-dbgsym": "2:4.11.6+dfsg-0ubuntu1.3", "samba-testsuite": "2:4.11.6+dfsg-0ubuntu1.3", "smbclient-dbgsym": "2:4.11.6+dfsg-0ubuntu1.3", "libsmbclient": "2:4.11.6+dfsg-0ubuntu1.3", "samba": "2:4.11.6+dfsg-0ubuntu1.3", "libsmbclient-dev": "2:4.11.6+dfsg-0ubuntu1.3", "libwbclient0": "2:4.11.6+dfsg-0ubuntu1.3", "samba-dsdb-modules": "2:4.11.6+dfsg-0ubuntu1.3", "python3-samba": "2:4.11.6+dfsg-0ubuntu1.3", "samba-vfs-modules-dbgsym": "2:4.11.6+dfsg-0ubuntu1.3", "registry-tools-dbgsym": "2:4.11.6+dfsg-0ubuntu1.3", "ctdb": "2:4.11.6+dfsg-0ubuntu1.3", "libnss-winbind": "2:4.11.6+dfsg-0ubuntu1.3", "libsmbclient-dbgsym": "2:4.11.6+dfsg-0ubuntu1.3", "samba-libs-dbgsym": "2:4.11.6+dfsg-0ubuntu1.3", "winbind-dbgsym": "2:4.11.6+dfsg-0ubuntu1.3", "samba-testsuite-dbgsym": "2:4.11.6+dfsg-0ubuntu1.3", "samba-common": "2:4.11.6+dfsg-0ubuntu1.3", "libpam-winbind": "2:4.11.6+dfsg-0ubuntu1.3", "smbclient": "2:4.11.6+dfsg-0ubuntu1.3", "samba-dev": "2:4.11.6+dfsg-0ubuntu1.3", "ctdb-dbgsym": "2:4.11.6+dfsg-0ubuntu1.3" } ] }