This indicates an attack attempt against a denial-of-service vulnerability in Samba client.
The vulnerability is caused by improper bounds checking of incoming SMB packets. It may allow remote attackers to execute arbitrary code by sending a specially crafted SMB request to an SMB client. Failed exploit attempts will likely cause the program to crash, resulting in a denial-of-service condition.
Microsoft Windows 7
Microsoft Windows Server 2008 R2
Denial of Service: Remote attackers can crash vulnerable systems.
Currently we are not aware of any officially supplied patch for this issue.