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A null pointer dereference flaw was found in the way samba checked database outputs from the LDB database layer. An authenticated attacker could use this flaw to crash a samba server in an Active Directory Domain Controller configuration. Samba versions before 4.7.9 and 4.8.4 are vulnerable.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade samba | Aug 24, 2018 | Aug 22, 2018 |
| Debian | — | Upgrade samba | Jul 30, 2024 | Aug 22, 2018 |
| Freebsd | — | Upgrade samba46Upgrade samba47Upgrade samba48 | Aug 15, 2018 | Aug 14, 2018 |
| Gentoo Linux | — | Upgrade net-fs/samba. | Mar 27, 2020 | Aug 22, 2018 |
| Oracle Solaris | — | Upgrade service/network/samba to version 4.8.4-11.4.1.0.1.2.0 on Solaris 11.4Upgrade library/samba/libsmbclient to version 4.8.4-11.4.1.0.1.2.0 on Solaris 11.4 | Oct 19, 2018 | Aug 22, 2018 |
| Samba | — | Upgrade to Samba version 4.7.9Upgrade to Samba version 4.8.4 | Aug 16, 2018 | Aug 16, 2018 |
| Suse | — | Upgrade libsamba-errors-develUpgrade libsamba-policy0-python3Upgrade libwbclient-develUpgrade libdcerpc-samr0Upgrade libsmbclient0Upgrade libtevent-util-develUpgrade samba-libs-python3Upgrade libsamba-hostconfig0-32bitUpgrade libsamba-util-develUpgrade sambaUpgrade samba-winbind-32bitUpgrade samba-kdc-32bitUpgrade libtevent-util0-32bitUpgrade libsmbconf-develUpgrade libsmbconf0-32bitUpgrade samba-libsUpgrade libsmbclient-develUpgrade samba-pidlUpgrade samba-docUpgrade libsamba-hostconfig0Upgrade samba-cephUpgrade libsamdb0Upgrade libsamba-errors0Upgrade libndr-standard0-32bitUpgrade libndr0Upgrade libwbclient0Upgrade ctdbUpgrade libsmbldap2-32bitUpgrade libsamba-credentials0-32bitUpgrade libndr1Upgrade libdcerpc-binding0Upgrade samba-pythonUpgrade libsamba-passdb0-32bitUpgrade samba-libs-32bitUpgrade libsamba-hostconfig-develUpgrade samba-dsdb-modulesUpgrade samba-winbindUpgrade libnetapi-develUpgrade ctdb-pcp-pmdaUpgrade libtevent-util0Upgrade samba-core-develUpgrade libnetapi0Upgrade libndr0-32bitUpgrade libsamba-util0-32bitUpgrade libndr-nbt0Upgrade libdcerpc-samr0-32bitUpgrade ctdb-testsUpgrade libsmbldap-develUpgrade libndr-krb5pac0-32bitUpgrade libdcerpc-develUpgrade libsmbconf0Upgrade libsamba-errors0-32bitUpgrade libsamba-policy-python3-develUpgrade libndr-krb5pac0Upgrade libdcerpc0-32bitUpgrade libsamba-passdb0Upgrade libndr-develUpgrade libsamba-policy0Upgrade libndr1-32bitUpgrade libndr-standard0Upgrade libsamba-policy0-32bitUpgrade libsamba-util0Upgrade libndr-krb5pac-develUpgrade libwbclient0-32bitUpgrade samba-python3Upgrade libsamba-credentials0Upgrade samba-kdcUpgrade libsamba-passdb-develUpgrade samba-client-32bitUpgrade libsamba-credentials-develUpgrade libdcerpc0Upgrade samba-testUpgrade samba-clientUpgrade libsmbclient0-32bitUpgrade libndr-standard-develUpgrade libndr-nbt-develUpgrade libsmbldap2Upgrade libsamdb0-32bitUpgrade libnetapi0-32bitUpgrade libdcerpc-binding0-32bitUpgrade libdcerpc-samr-develUpgrade samba-libs-python3-32bitUpgrade libndr-nbt0-32bitUpgrade libsamba-policy-develUpgrade libsamdb-devel | Aug 18, 2018 | Aug 14, 2018 |
| Ubuntu | — | Upgrade sambaUpgrade libsmbclient | Aug 17, 2018 | Aug 14, 2018 |
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