There is a remotely exploitable buffer overflow in the Kerberos KBIND authentication code in the OpenLDAP slapd server for versions 2.4.3 and below. Note that the vulnerable code only exists in versions compiled with the –enabled-kbind option.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/53047/openLDAPslapd.txt
Source: https://packetstormsecurity.com/files/53047/openLDAPslapd.txt.html