ldbm_back_exop_passwd in the back-ldbm backend in passwd.c for OpenLDAP 2.1.12 and earlier, when the slap_passwd_parse function does not return LDAP_SUCCESS, attempts to free an uninitialized pointer, which allows remote attackers to cause a denial of service (segmentation fault).
AV:N/AC:L/Au:N/C:N/I:N/A:P
This vulnerability has a 2.60% probability of being exploited in the next 30 days, ranking higher than 85% of all scored CVEs.