A flaw was found in samba 4.0.0 before samba 4.9.15 and samba 4.10.x before 4.10.10. An attacker can crash AD DC LDAP server via dirsync resulting in denial of service. Privilege escalation is not possible with this issue.
CVSS Details
- CVSS 3.1 Base Score: 4.9
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H)
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade samba | May 8, 2020 | Nov 6, 2019 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Nov 6, 2019 |
| Debian | — | Upgrade samba | May 31, 2021 | Nov 6, 2019 |
| Freebsd | — | Upgrade samba410Upgrade samba411Upgrade samba48 | Nov 1, 2019 | Oct 29, 2019 |
| Huawei Euleros 2_0_sp2 | — | Upgrade samba-libsUpgrade samba-commonUpgrade samba-client-libsUpgrade libwbclientUpgrade samba-winbind-clientsUpgrade sambaUpgrade samba-pythonUpgrade libsmbclientUpgrade samba-common-toolsUpgrade samba-clientUpgrade samba-winbindUpgrade samba-winbind-modulesUpgrade samba-common-libs | Feb 22, 2021 | Nov 6, 2019 |
| Huawei Euleros 2_0_sp3 | — | Upgrade samba-libsUpgrade samba-commonUpgrade libwbclientUpgrade samba-pythonUpgrade samba-common-toolsUpgrade samba-winbind-clientsUpgrade samba-winbindUpgrade samba-client-libsUpgrade sambaUpgrade samba-clientUpgrade samba-common-libsUpgrade libsmbclientUpgrade samba-winbind-modules | Sep 28, 2020 | Nov 6, 2019 |
| Huawei Euleros 2_0_sp5 | — | Upgrade samba-pythonUpgrade samba-client-libsUpgrade samba-winbindUpgrade sambaUpgrade libwbclientUpgrade samba-winbind-modulesUpgrade libsmbclientUpgrade samba-libsUpgrade samba-commonUpgrade samba-clientUpgrade samba-winbind-clientsUpgrade samba-common-libsUpgrade samba-common-tools | Dec 11, 2019 | Nov 6, 2019 |
| Huawei Euleros 2_0_sp8 | — | Upgrade ctdb-testsUpgrade libwbclientUpgrade samba-test-libsUpgrade python3-sambaUpgrade samba-pidlUpgrade samba-client-libsUpgrade python2-samba-testUpgrade ctdbUpgrade samba-testUpgrade samba-krb5-printingUpgrade python2-sambaUpgrade samba-clientUpgrade samba-winbind-krb5-locatorUpgrade samba-commonUpgrade libsmbclientUpgrade samba-libsUpgrade samba-dc-libsUpgrade sambaUpgrade python3-samba-testUpgrade samba-common-libsUpgrade samba-winbind-clientsUpgrade samba-common-toolsUpgrade samba-winbind-modulesUpgrade samba-winbind | Nov 28, 2019 | Nov 6, 2019 |
| Oracle Solaris | — | Upgrade library/samba/libsmbclient to version 4.11.6-11.4.21.0.1.69.0 on Solaris 11.4Upgrade service/network/samba to version 4.11.6-11.4.21.0.1.69.0 on Solaris 11.4 | Jan 19, 2021 | Nov 6, 2019 |
| Samba | — | Upgrade to Samba 4.9.15 or later.Upgrade to Samba 4.10.10 or later. | Nov 6, 2019 | Nov 6, 2019 |
| Suse | — | Upgrade samba-kdc-32bitUpgrade libsmbconf0Upgrade samba-pythonUpgrade samba-cephUpgrade samba-dsdb-modulesUpgrade libsmbldap2-32bitUpgrade libwbclient0Upgrade sambaUpgrade libdcerpc-binding0Upgrade samba-testUpgrade libsamba-passdb0-32bitUpgrade samba-pidlUpgrade libsmbconf0-32bitUpgrade libdcerpc-samr0-32bitUpgrade libsamba-errors-develUpgrade libsamba-passdb-develUpgrade libndr-nbt0Upgrade samba-core-develUpgrade libdcerpc-develUpgrade libndr0Upgrade samba-libs-32bitUpgrade libldb1-32bitUpgrade ctdbUpgrade libsamba-policy0-python3-32bitUpgrade libndr0-32bitUpgrade libsamdb0Upgrade samba-winbindUpgrade libtevent-util-develUpgrade samba-libs-python3Upgrade libdcerpc-samr0Upgrade libsamba-hostconfig0Upgrade libsamba-policy0-python3Upgrade libsmbldap-develUpgrade libsamba-hostconfig0-32bitUpgrade libndr-standard0-32bitUpgrade ctdb-pcp-pmdaUpgrade libndr-krb5pac0-32bitUpgrade libtevent-util0-32bitUpgrade libsamba-credentials0Upgrade libwbclient-develUpgrade ctdb-testsUpgrade python-ldb-develUpgrade libsamba-policy0Upgrade samba-winbind-32bitUpgrade libndr1Upgrade libsmbconf-develUpgrade libnetapi-develUpgrade libsamba-util0-32bitUpgrade libndr1-32bitUpgrade samba-docUpgrade libnetapi0Upgrade libldb1Upgrade libsamba-hostconfig-develUpgrade libsamba-credentials-develUpgrade libsmbclient-develUpgrade libsamdb-develUpgrade libsamba-credentials0-32bitUpgrade libldb-develUpgrade samba-clientUpgrade libsmbclient0Upgrade libdcerpc0Upgrade samba-python3Upgrade libsamba-policy-develUpgrade libtevent-util0Upgrade libndr-nbt-develUpgrade libsamba-errors0Upgrade libsamba-policy-python-develUpgrade libdcerpc-samr-develUpgrade libsmbclient0-32bitUpgrade python-ldbUpgrade libwbclient0-32bitUpgrade libsamba-util-develUpgrade libndr-develUpgrade samba-libs-python-32bitUpgrade libndr-standard-develUpgrade libndr-krb5pac0Upgrade samba-ad-dcUpgrade samba-libsUpgrade libsamba-errors0-32bitUpgrade samba-libs-python3-32bitUpgrade samba-client-32bitUpgrade ldb-toolsUpgrade libsamdb0-32bitUpgrade samba-ad-dc-32bitUpgrade libsmbldap2Upgrade libndr-standard0Upgrade libsamba-util0Upgrade libndr-nbt0-32bitUpgrade libnetapi0-32bitUpgrade libdcerpc-binding0-32bitUpgrade samba-libs-pythonUpgrade libsamba-policy-python3-develUpgrade samba-kdcUpgrade libdcerpc0-32bitUpgrade libndr-krb5pac-develUpgrade libsamba-policy0-32bitUpgrade libsamba-passdb0 | Nov 6, 2019 | Oct 29, 2019 |
| Ubuntu | — | Upgrade sambaUpgrade libsmbclient (Ubuntu Pro)Upgrade libsmbclientUpgrade samba (Ubuntu Pro) | Oct 30, 2019 | Oct 29, 2019 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub