The SuSE Security Team reviewed critical parts of that package and found several buffer overflows and other bugs remote attackers could exploit to gain access on systems running vulnerable LDAP servers.
A malicious server could potentially overwrite key files to cause a denial of service or, in some cases, gain privileges by modifying executable files.
A security hole has been discovered in Safe.pm. When a Safe compartment has already been used, there's no guarantee that it's safe any longer, because there's a way for code executed within the Safe compartment to alter its operation mask.