Adobe has released a critical update for Shockwave Player after several serious vulnerabilities were found.
  • Users of 11.6.7.637 and earlier versions should now update to version 11.6.8.638 – Update Now
  • Updates are available for Windows and Mac systems.
  • There is no active propagation of exploits.
  • Check to see if you have Shockwave Player.
  • Shockwave Player is not the same as Adobe Flash Player, which update October 8.
  • Check release notes.
  • Uncheck the Norton Security Scan, if it shows.

Adobe Updates Shockwave Player after mass of vulnerabilities Adobeshockwaveuncheck

Source here: http://secureconnexion.wordpress.com/2012/10/23/critical-fix-issued-for-shockwave-player-oct-23-2012/