Mandriva Linux Security Advisory 2012-130 - slapd in OpenLDAP before 2.4.30 allows remote attackers to cause a denial of service via an LDAP search query with attrsOnly set to true, which causes empty attributes to be returned. The updated packages have been patched to correct this issue.
15e682bf17192a767c067672be6251b9e0fad5a2b5601ea063b950e8a67a46ae