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.Referenceshttp://www.securityfocus.com/bid/98736http://www.debian.org/security/2017/dsa-3868https://access.redhat.com/errata/RHSA-2017:1852http://www.securitytracker.com/id/1038591https://www.oracle.com/security-alerts/cpuapr2022.htmlhttps://kc.mcafee.com/corporate/index?page=content&id=SB10365http://www.openldap.org/its/?findid=8655https://bugs.debian.org/863563
