Oracle Linux: CVE-2017-15275: ELSA-2017-3278: samba4 security update (IMPORTANT) (Multiple Advisories)

Samba before 4.7.3 might allow remote attackers to obtain sensitive information by leveraging failure of the server to clear allocated heap memory.
A memory disclosure flaw was found in samba. An attacker could retrieve parts of server memory, which could contain potentially sensitive data, by sending specially-crafted requests to the samba server.