Samba 3.x and 4.x before 4.2.11, 4.3.x before 4.3.8, and 4.4.x before 4.4.2 does not require SMB signing within a DCERPC session over ncacn_np, which allows man-in-the-middle attackers to spoof SMB clients by modifying the client-server data stream.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade samba | Sep 20, 2017 | Apr 24, 2016 |
| Centos_linux | — | Upgrade samba-test-develUpgrade ctdbUpgrade samba-glusterfsUpgrade ctdb-testsUpgrade samba-testUpgrade samba-winbind-develUpgrade samba3x-domainjoin-guiUpgrade ctdb-develUpgrade samba3x-docUpgrade samba3x-clientUpgrade samba3x-commonUpgrade samba-pidlUpgrade samba-commonUpgrade samba-vfs-glusterfsUpgrade samba3xUpgrade samba-dcUpgrade samba-client-libsUpgrade samba3x-swatUpgrade samba-winbind-clientsUpgrade libwbclient-develUpgrade samba3x-winbind-develUpgrade sambaUpgrade libwbclientUpgrade samba3x-winbindUpgrade samba-develUpgrade samba-swatUpgrade samba-docUpgrade samba-winbind-modulesUpgrade libsmbclient-develUpgrade samba-winbindUpgrade samba-clientUpgrade samba-winbind-krb5-locatorUpgrade samba-dc-libsUpgrade samba-common-toolsUpgrade samba-domainjoin-guiUpgrade samba-libsUpgrade libsmbclientUpgrade samba-test-libsUpgrade samba-common-libsUpgrade samba-python | Jul 6, 2016 | Apr 13, 2016 |
| Debian | — | Upgrade samba | Apr 14, 2016 | Apr 13, 2016 |
| F5 Big Ip | — | Update F5 BIG-IP to the latest version | Jun 17, 2026 | May 17, 2016 |
| Freebsd | — | Upgrade samba41Upgrade samba43Upgrade samba36Upgrade samba4Upgrade samba42Upgrade samba44 | Dec 10, 2025 | Apr 12, 2016 |
| Gentoo Linux | — | Upgrade net-fs/samba. | Oct 30, 2017 | Apr 24, 2016 |
| Hpux | — | Update CIFS-Server.CIFS-DOC to the latest versionUpdate CIFS-Server.CIFS-ADMIN to the latest versionUpdate CIFS-Development.CIFS-PRG to the latest versionUpdate CIFS-Server.CIFS-LIB to the latest versionUpdate CIFS-Server.CIFS-RUN to the latest versionUpdate CIFS-Server.CIFS-UTIL to the latest version | Aug 11, 2017 | Apr 24, 2016 |
| Huawei Euleros 2_0_sp1 | — | Upgrade libteventUpgrade samba-winbind-clientsUpgrade samba-client-libsUpgrade samba-libsUpgrade sambaUpgrade python-teventUpgrade samba-commonUpgrade samba-winbind-modulesUpgrade pytallocUpgrade libtallocUpgrade samba-winbindUpgrade samba-common-toolsUpgrade libsmbclientUpgrade samba-pythonUpgrade samba-common-libsUpgrade samba-clientUpgrade libtdbUpgrade libldbUpgrade tdb-toolsUpgrade libwbclientUpgrade python-tdb | Nov 30, 2017 | Apr 24, 2016 |
| Oracle Solaris | — | Upgrade service/network/samba to version 4.4.5-0.175.3.14.0.1.0 on Solaris 11.3Upgrade library/samba/libsmbclient to version 4.4.5-0.175.3.14.0.1.0 on Solaris 11.3 | May 29, 2017 | Apr 24, 2016 |
| Oracle_linux | — | Upgrade pytalloc-develUpgrade ctdbUpgrade tdb-toolsUpgrade samba4-dcUpgrade samba4-libsUpgrade ipa-server-selinuxUpgrade python-teventUpgrade libsmbclientUpgrade libwbclient-develUpgrade openchange-clientUpgrade pyldb-develUpgrade samba-winbindUpgrade samba-pythonUpgrade ipa-pythonUpgrade libtallocUpgrade samba3xUpgrade samba-winbind-modulesUpgrade samba4-testUpgrade ctdb-testsUpgrade samba-winbind-develUpgrade libtevent-develUpgrade samba-client-libsUpgrade samba3x-domainjoin-guiUpgrade openchange-devel-docsUpgrade python-tdbUpgrade libldb-develUpgrade libwbclientUpgrade ipa-server-dnsUpgrade sambaUpgrade ipa-admintoolsUpgrade libtdbUpgrade openchange-develUpgrade samba4-commonUpgrade samba-dcUpgrade samba4-winbind-krb5-locatorUpgrade samba-docUpgrade samba4-develUpgrade samba-pidlUpgrade samba-swatUpgrade libtalloc-develUpgrade samba4-pythonUpgrade samba3x-docUpgrade samba3x-clientUpgrade samba-libsUpgrade samba-common-toolsUpgrade libldbUpgrade samba4Upgrade samba-test-develUpgrade ipa-clientUpgrade ipa-server-trust-adUpgrade samba-dc-libsUpgrade samba4-clientUpgrade samba4-dc-libsUpgrade libteventUpgrade ctdb-develUpgrade samba-develUpgrade samba-vfs-glusterfsUpgrade samba-clientUpgrade samba3x-swatUpgrade samba4-winbindUpgrade samba-test-libsUpgrade samba-common-libsUpgrade openchangeUpgrade samba-commonUpgrade samba3x-winbindUpgrade ipa-serverUpgrade samba-winbind-krb5-locatorUpgrade ldb-toolsUpgrade samba-testUpgrade pyldbUpgrade samba4-pidlUpgrade samba-domainjoin-guiUpgrade pytallocUpgrade samba3x-winbind-develUpgrade libtdb-develUpgrade samba3x-commonUpgrade samba-winbind-clientsUpgrade libsmbclient-develUpgrade samba4-winbind-clientsUpgrade samba-glusterfs | Apr 24, 2016 | Apr 24, 2016 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Apr 12, 2016 |
| Samba | — | Upgrade to Samba version 4.4.2Upgrade to Samba version 4.2.11Upgrade to Samba version 4.3.8 | Apr 12, 2016 | Apr 12, 2016 |
| Suse | — | Upgrade libdcerpc-samr-develUpgrade samba-develUpgrade libsmbldap0-32bitUpgrade ctdb-develUpgrade libsamba-policy0-python3Upgrade libsamdb0-32bitUpgrade libsmbconf-develUpgrade libsamba-errors0-32bitUpgrade samba-test-develUpgrade libnetapi0-32bitUpgrade libsmbclient-raw0Upgrade libsamba-credentials0-32bitUpgrade libsamba-util0-32bitUpgrade libdcerpc0-32bitUpgrade libndr0-32bitUpgrade libsamba-hostconfig0Upgrade libdcerpc0Upgrade libwbclient0Upgrade libsmbclient0-x86Upgrade libndr-standard-develUpgrade libsamba-passdb-develUpgrade libtevent0-32bitUpgrade libsamba-policy-python3-develUpgrade samba-libs-32bitUpgrade libsmbclient0-32bitUpgrade libsamba-credentials-develUpgrade samba-libsUpgrade libndr-krb5pac0-32bitUpgrade samba-kdcUpgrade samba-clientUpgrade samba-client-32bitUpgrade libsamba-errors-develUpgrade libtdb1Upgrade libtevent-util0Upgrade libsamba-policy-develUpgrade libsmbclient-develUpgrade libsmbldap2Upgrade libsamba-util0Upgrade samba-krb-printingUpgrade ctdbUpgrade libtalloc2-32bitUpgrade libsmbldap0Upgrade libtevent-util-develUpgrade libregistry0Upgrade libdcerpc-atsvc-develUpgrade libsamba-passdb0Upgrade libnetapi-develUpgrade libsamdb-develUpgrade libldb1Upgrade samba-testUpgrade ldapsmbUpgrade libndr-standard0Upgrade libndr-nbt-develUpgrade libsamba-credentials0Upgrade libsmbsharemodes-develUpgrade libsmbclient0Upgrade libdcerpc-binding0-32bitUpgrade libgensec0Upgrade libtdb-develUpgrade samba-client-x86Upgrade libwbclient0-x86Upgrade libsmbclient-raw0-32bitUpgrade libwbclient-develUpgrade libndr-nbt0-32bitUpgrade libtdb1-x86Upgrade libndr-standard0-32bitUpgrade libsmbclient-raw-develUpgrade samba-cephUpgrade libdcerpc-atsvc0Upgrade sambaUpgrade libndr-develUpgrade libndr0Upgrade libdcerpc-samr0Upgrade libtalloc-develUpgrade libsmbldap2-32bitUpgrade libregistry-develUpgrade libtalloc2-x86Upgrade libsmbsharemodes0Upgrade libsmbldap-develUpgrade libndr1-32bitUpgrade samba-docUpgrade libnetapi0Upgrade libgensec-develUpgrade libdcerpc-binding0Upgrade libsamba-util-develUpgrade libwbclient0-32bitUpgrade libsmbconf0-32bitUpgrade libsmbconf0Upgrade libndr-krb5pac0Upgrade libndr-nbt0Upgrade samba-libs-python3Upgrade samba-32bitUpgrade samba-python3Upgrade libtevent-develUpgrade samba-core-develUpgrade libsamdb0Upgrade libsamba-errors0Upgrade libndr-krb5pac-develUpgrade samba-winbind-x86Upgrade libsamba-hostconfig-develUpgrade libtevent0-x86Upgrade libsamba-policy0Upgrade samba-dsdb-modulesUpgrade samba-pythonUpgrade libldb-develUpgrade libtevent-util0-32bitUpgrade libsamba-passdb0-32bitUpgrade libsamba-hostconfig0-32bitUpgrade libdcerpc-develUpgrade libndr1Upgrade libtevent0Upgrade libgensec0-32bitUpgrade samba-x86Upgrade libtalloc2Upgrade libtdb1-32bitUpgrade samba-winbind-32bitUpgrade samba-winbindUpgrade samba-libs-python3-32bit | Apr 13, 2016 | Apr 13, 2016 |
| Ubuntu | — | Upgrade samba | Apr 24, 2016 | Apr 24, 2016 |
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