Apple released an update of QuickTime, fixing at least 11 security holes in it for both Mac and Windows.
Windows QuickTime users will need to use the bundled Apple Software Update application.
2/ Symantec Norton
Symantec pluged two critical holes in ActivX control(SYMADATA.DLL).
Following versions are affected:
Norton 360 1.0
Norton AntiVirus Windows 2006 - 2008
Norton Internet Security 2006 - 2008
Norton System Works 2006 - 2008
A corrected version of the ActiveX is available for download.
3/ Avast anti-virus
Avast is anti-virus scanner and is free for home users.
Avast v4.8 adds anti-rootlit and anti-spyware functionarity.
To download its free edition, access HERE.
4/ VLC Media Player
For some time now, there have been several open security holes in VLC Media Player, MPlayer and Xine. VLC was released the latest version(0.8.6f) to plug several security holes.
To download it, access HERE.