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.
CVSS Details
- CVSS 3.1 Base Score: 7.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade openldap | Jan 5, 2021 | Dec 8, 2020 |
| Amazon Linux Ami 2 | — | Upgrade openldap-develUpgrade openldapUpgrade openldap-servers-sqlUpgrade openldap-debuginfoUpgrade openldap-clientsUpgrade openldap-servers | May 26, 2021 | Dec 8, 2020 |
| Centos_linux | — | Upgrade openldap-debuginfoUpgrade openldap-clientsUpgrade openldapUpgrade openldap-serversUpgrade openldap-servers-sqlUpgrade openldap-devel | Jun 1, 2021 | Dec 8, 2020 |
| Debian | — | Upgrade openldap | Nov 4, 2020 | Nov 4, 2020 |
| Huawei Euleros 2_0_sp2 | — | Upgrade openldapUpgrade openldap-clientsUpgrade openldap-serversUpgrade openldap-devel | Feb 22, 2021 | Dec 8, 2020 |
| Huawei Euleros 2_0_sp3 | — | Upgrade openldap-clientsUpgrade openldap-develUpgrade openldapUpgrade openldap-servers | Jan 20, 2021 | Dec 8, 2020 |
| Huawei Euleros 2_0_sp5 | — | Upgrade openldap-serversUpgrade openldap-develUpgrade openldap-clientsUpgrade openldap | Mar 24, 2021 | Dec 8, 2020 |
| Huawei Euleros 2_0_sp8 | — | Upgrade openldapUpgrade openldap-develUpgrade openldap-serversUpgrade openldap-clients | Feb 2, 2021 | Dec 8, 2020 |
| Huawei Euleros 2_0_sp9 | — | Upgrade openldap-serversUpgrade openldap-clientsUpgrade openldap | 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 openldapUpgrade openldap-develUpgrade openldap-servers-sqlUpgrade openldap-clientsUpgrade openldap-servers | Apr 29, 2021 | Oct 19, 2020 |
| Redhat_linux | — | Upgrade openldap-debuginfoUpgrade openldap-serversNo solution existsUpgrade openldap-clientsUpgrade openldapUpgrade openldap-develUpgrade openldap-servers-sql | Apr 28, 2021 | Dec 8, 2020 |
| Splunk | — | Upgrade Splunk Enterprise to version 9.2.3Upgrade Splunk Enterprise to version 9.3.1Upgrade Splunk Enterprise to version 9.1.6 | Jul 30, 2026 | Dec 8, 2020 |
| Suse | — | Upgrade openldap2-contribUpgrade libldap-openssl1-2_4-2-x86Upgrade openldap2-devel-32bitUpgrade libldap-dataUpgrade libldap-2_4-2-32bitUpgrade openldap2Upgrade libldap-openssl1-2_4-2-32bitUpgrade openldap2-back-perlUpgrade openldap2-back-sockUpgrade openldap2-client-openssl1Upgrade openldap2-back-metaUpgrade compat-libldap-2_3-0Upgrade openldap2-back-sqlUpgrade openldap2-openssl1Upgrade libldap-openssl1-2_4-2Upgrade openldap2-develUpgrade openldap2-ppolicy-check-passwordUpgrade libldap-2_4-2Upgrade openldap2-clientUpgrade openldap2-docUpgrade openldap2-devel-static | Nov 12, 2020 | Nov 9, 2020 |
| Ubuntu | — | Upgrade slapd (Ubuntu Pro)Upgrade slapd | 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 |
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