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In OpenLDAP through 2.4.57 and 2.5.x through 2.5.1alpha, an assertion failure in slapd can occur in the issuerAndThisUpdateCheck function via a crafted packet, resulting in a denial of service (daemon exit) via a short timestamp. This is related to schema_init.c and checkTime.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade openldap | Mar 26, 2024 | Feb 14, 2021 |
| Amazon Linux Ami 2 | — | Upgrade openldap-develUpgrade openldap-debuginfoUpgrade openldapUpgrade openldap-clientsUpgrade openldap-serversUpgrade openldap-servers-sql | May 3, 2023 | Feb 14, 2021 |
| Amazon_linux | — | Upgrade openldap | May 4, 2023 | Feb 14, 2021 |
| Amazon_linux_2023 | — | Upgrade openldapUpgrade openldap-debugsourceUpgrade openldap-clientsUpgrade openldap-compat-debuginfoUpgrade openldap-serversUpgrade openldap-debuginfoUpgrade openldap-servers-debuginfoUpgrade openldap-compatUpgrade openldap-clients-debuginfoUpgrade openldap-devel | Feb 17, 2025 | Feb 14, 2021 |
| Debian | — | Upgrade openldap | Feb 22, 2021 | Feb 14, 2021 |
| Huawei Euleros 2_0_sp2 | — | Upgrade openldapUpgrade openldap-serversUpgrade openldap-develUpgrade openldap-clients | Sep 16, 2021 | Feb 14, 2021 |
| Huawei Euleros 2_0_sp3 | — | Upgrade openldap-develUpgrade openldapUpgrade openldap-clientsUpgrade openldap-servers | Apr 30, 2021 | Feb 14, 2021 |
| Huawei Euleros 2_0_sp5 | — | Upgrade openldap-serversUpgrade openldapUpgrade openldap-clientsUpgrade openldap-devel | May 19, 2021 | Feb 14, 2021 |
| Huawei Euleros 2_0_sp8 | — | Upgrade openldapUpgrade openldap-serversUpgrade openldap-develUpgrade openldap-clients | May 18, 2021 | Feb 14, 2021 |
| Huawei Euleros 2_0_sp9 | — | Upgrade openldap-clientsUpgrade openldap-serversUpgrade openldap | Jun 2, 2021 | Feb 14, 2021 |
| Oracle Solaris | — | Upgrade system/network/ldap/openldap to version 2.4.57.0.1-11.4.32.0.1.88.1 on Solaris 11.4Upgrade service/network/ldap/openldap to version 2.4.57.0.1-11.4.32.0.1.88.1 on Solaris 11.4 | Apr 21, 2021 | Feb 14, 2021 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Feb 14, 2021 |
| 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 | Feb 14, 2021 |
| Suse | — | Upgrade libldap-2_4-2-32bitUpgrade openldap2-docUpgrade openldap2-back-metaUpgrade libldap-dataUpgrade openldap2-contribUpgrade libldap-2_4-2Upgrade libldap-openssl1-2_4-2-x86Upgrade openldap2-devel-32bitUpgrade openldap2-clientUpgrade libldap-openssl1-2_4-2Upgrade libldap-openssl1-2_4-2-32bitUpgrade openldap2-ppolicy-check-passwordUpgrade openldap2-develUpgrade openldap2Upgrade openldap2-back-perlUpgrade openldap2-back-sqlUpgrade openldap2-client-openssl1Upgrade openldap2-devel-staticUpgrade openldap2-openssl1Upgrade compat-libldap-2_3-0Upgrade openldap2-back-sock | Mar 4, 2021 | Feb 14, 2021 |
| Ubuntu | — | Upgrade slapdUpgrade slapd (Ubuntu Pro) | Feb 23, 2021 | Feb 14, 2021 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Feb 14, 2021 |
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