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.
Fix
Patch, vendor advisory and mitigation references on NVD 2
- https://bugzilla.redhat.com/show_bug.cgi?id=1894567 Issue Tracking, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1894567 Issue Tracking, Patch, Third Party Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 7.5 · openldap, redhat, netappNVD modified 2026-10-14 10:17
Affected (CPE criteria) 6
cpe:2.3:a:openldap:openldap:*:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*cpe:2.3:o:netapp:solidfire_baseboard_management_controller_firmware:-:*:*:*:*:*:*:*
References 5
- https://bugzilla.redhat.com/show_bug.cgi?id=1894567 Issue Tracking, Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210108-0006/ Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1894567 Issue Tracking, Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210108-0006/ Third Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html