(RHSA-2010:0860) Critical: samba security update

Samba is a suite of programs used by machines to share files, printers, and
other information.

A missing array boundary checking flaw was found in the way Samba parsed
the binary representation of Windows security identifiers (SIDs). A
malicious client could send a specially-crafted SMB request to the Samba
server, resulting in arbitrary code execution with the privileges of the
Samba server (smbd). (CVE-2010-3069)

Users of Samba are advised to upgrade to these updated packages, which
correct this issue. After installing this update, the smb service will be
restarted automatically.