In filter.c in slapd in OpenLDAP before 2.4.50, LDAP search filters with nested boolean expressions can result in denial of service (daemon crash).
The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Openldap | Openldap | * | 2.4.50 (excluding) |
| Red Hat Enterprise Linux 7 | RedHat | openldap-0:2.4.44-22.el7 | * |
| Red Hat OpenShift Do | RedHat | openshiftdo/odo-init-image-rhel7:1.1.3-2 | * |
| Openldap | Ubuntu | bionic | * |
| Openldap | Ubuntu | devel | * |
| Openldap | Ubuntu | eoan | * |
| Openldap | Ubuntu | focal | * |
| Openldap | Ubuntu | trusty | * |
| Openldap | Ubuntu | trusty/esm | * |
| Openldap | Ubuntu | upstream | * |
| Openldap | Ubuntu | xenial | * |