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libldap in certain third-party OpenLDAP packages has a certificate-validation flaw when the third-party package is asserting RFC6125 support. It considers CN even when there is a non-matching subjectAltName (SAN). This is fixed in, for example, openldap-2.4.46-10.el8 in Red Hat Enterprise Linux.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | No solution exists | May 15, 2025 | Jul 14, 2020 |
| Huawei Euleros 2_0_sp8 | — | Upgrade openldapUpgrade openldap-develUpgrade openldap-serversUpgrade openldap-clients | Aug 31, 2020 | Jul 14, 2020 |
| Redhat Openshift | — | Upgrade redhat-coreos | Dec 29, 2020 | Jul 14, 2020 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jul 14, 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 | Jul 14, 2020 |
| Suse | — | Upgrade openldap2Upgrade openldap2-contribUpgrade openldap2-clientUpgrade openldap2-back-sockUpgrade openldap2-develUpgrade openldap2-ppolicy-check-passwordUpgrade openldap2-devel-32bitUpgrade libldap-2_4-2Upgrade libldap-dataUpgrade openldap2-back-metaUpgrade openldap2-back-perlUpgrade libldap-2_4-2-32bitUpgrade openldap2-back-sqlUpgrade openldap2-docUpgrade openldap2-devel-static | Sep 13, 2020 | Jul 14, 2020 |
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