Buffer overflows in IBM SecureWay 3.2.1 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/6894
http://www.securityfocus.com/bid/3040
http://www.kb.cert.org/vuls/id/CFCR-4YQ33Y
http://www.kb.cert.org/vuls/id/505564
http://www.ee.oulu.fi/research/ouspg/protos/testing/c06/ldapv3/