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A NULL pointer dereference was found in OpenLDAP server and was fixed in openldap 2.4.55, during a request for renaming RDNs. An unauthenticated attacker could remotely crash the slapd process by sending a specially crafted request, causing a Denial of Service.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade openldap | Jan 5, 2021 | Dec 8, 2020 |
| Amazon Linux Ami 2 | — | Upgrade openldap-develUpgrade openldap-clientsUpgrade openldap-serversUpgrade openldapUpgrade openldap-servers-sqlUpgrade openldap-debuginfo | May 26, 2021 | Dec 8, 2020 |
| Centos_linux | — | Upgrade openldap-clientsUpgrade openldap-debuginfoUpgrade openldap-servers-sqlUpgrade openldapUpgrade openldap-serversUpgrade openldap-devel | Jun 1, 2021 | Dec 8, 2020 |
| Debian | — | Upgrade openldap | Nov 4, 2020 | Nov 4, 2020 |
| Huawei Euleros 2_0_sp2 | — | Upgrade openldap-develUpgrade openldap-serversUpgrade openldap-clientsUpgrade openldap | Feb 22, 2021 | Dec 8, 2020 |
| Huawei Euleros 2_0_sp3 | — | Upgrade openldapUpgrade openldap-serversUpgrade openldap-develUpgrade openldap-clients | Jan 20, 2021 | Dec 8, 2020 |
| Huawei Euleros 2_0_sp5 | — | Upgrade openldap-serversUpgrade openldapUpgrade openldap-clientsUpgrade openldap-devel | Mar 24, 2021 | Dec 8, 2020 |
| Huawei Euleros 2_0_sp8 | — | Upgrade openldap-develUpgrade openldapUpgrade openldap-serversUpgrade openldap-clients | Feb 2, 2021 | Dec 8, 2020 |
| Huawei Euleros 2_0_sp9 | — | Upgrade openldapUpgrade openldap-clientsUpgrade openldap-servers | Jan 5, 2021 | Dec 8, 2020 |
| Oracle Solaris | — | Upgrade consolidation/userland/userland-incorporation to version 11.4-11.4.30.0.1.88.3 on Solaris 11.4 | Feb 17, 2021 | Dec 8, 2020 |
| Oracle_linux | — | Upgrade openldap-clientsUpgrade openldap-serversUpgrade openldap-servers-sqlUpgrade openldap-develUpgrade openldap | Apr 29, 2021 | Oct 19, 2020 |
| Redhat_linux | — | Upgrade openldap-debuginfoNo solution existsUpgrade openldap-serversUpgrade openldap-clientsUpgrade openldap-servers-sqlUpgrade openldap-develUpgrade openldap | Apr 28, 2021 | Dec 8, 2020 |
| Splunk | — | Upgrade Splunk Enterprise to version 9.3.1Upgrade Splunk Enterprise to version 9.2.3Upgrade Splunk Enterprise to version 9.1.6 | Jul 30, 2026 | Dec 8, 2020 |
| Suse | — | Upgrade libldap-openssl1-2_4-2-x86Upgrade openldap2-devel-32bitUpgrade libldap-2_4-2-32bitUpgrade libldap-dataUpgrade openldap2-contribUpgrade openldap2Upgrade openldap2-docUpgrade openldap2-ppolicy-check-passwordUpgrade libldap-openssl1-2_4-2Upgrade libldap-2_4-2Upgrade libldap-openssl1-2_4-2-32bitUpgrade openldap2-openssl1Upgrade openldap2-back-sqlUpgrade openldap2-develUpgrade compat-libldap-2_3-0Upgrade openldap2-back-perlUpgrade openldap2-back-sockUpgrade openldap2-clientUpgrade openldap2-back-metaUpgrade openldap2-client-openssl1Upgrade openldap2-devel-static | Nov 12, 2020 | Nov 9, 2020 |
| Ubuntu | — | Upgrade slapdUpgrade slapd (Ubuntu Pro) | Nov 10, 2020 | Nov 9, 2020 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Dec 8, 2020 |
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