servers/slapd/back-mdb/search.c in OpenLDAP through 2.4.44 is prone to a double free vulnerability. A user with access to search the directory can crash slapd by issuing a search including the Paged Results control with a page size of 0.
The product calls free() twice on the same memory address.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Openldap | Openldap | * | 2.4.44 (including) |
| Red Hat Enterprise Linux 7 | RedHat | openldap-0:2.4.44-5.el7 | * |
| Openldap | Ubuntu | esm-infra-legacy/trusty | * |
| Openldap | Ubuntu | esm-infra/xenial | * |
| Openldap | Ubuntu | trusty | * |
| Openldap | Ubuntu | trusty/esm | * |
| Openldap | Ubuntu | upstream | * |
| Openldap | Ubuntu | vivid/stable-phone-overlay | * |
| Openldap | Ubuntu | vivid/ubuntu-core | * |
| Openldap | Ubuntu | xenial | * |
| Openldap | Ubuntu | yakkety | * |
| Openldap | Ubuntu | zesty | * |