Apple Security Issues OS X 10.5.7 and earlier affected.

Overview
Apple has released multiple Security Updates, 2009-002 / Mac OS X version 10.5.7 and Safari 3.2.3, to correct multiple vulnerabilities affecting Apple Mac OS X , Mac OS X Server, and the Safari web browser. Attackers could exploit these vulnerabilities to execute arbitrary code, gain access to sensitive information, or cause a denial of service. I. Description Apple Security Update 2009-002 / Mac OS X v10.5.7 addresses a number of vulnerabilities affecting Apple Mac OS X and Mac OS X Server, the Safari security update addresses vulnerabilities affecting the Safari web browser (for Windows and OS X). These updates also address vulnerabilities in other vendors’ products that ship with Apple Mac OS X or Mac OS X Server.

This is a direct quote from a CERT Advisory.

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