Buffer overflows in Lotus Domino R5 before R5.0.7a allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code, as demonstrated by the PROTOS LDAPv3 test suite.
https://exchange.xforce.ibmcloud.com/vulnerabilities/6895
http://www.securityfocus.com/bid/3041
http://www.securityfocus.com/archive/1/314909/30/25520/threaded
http://www.notes.net/r5fixlist.nsf/Search%21SearchView&Query=DWUU4W6NC8
http://www.kb.cert.org/vuls/id/583184
http://www.ee.oulu.fi/research/ouspg/protos/testing/c06/ldapv3/