xscreensaver in Sun Solaris 10 before 20070604, when a GNOME session with Assistive Technology support is running, allows attackers with physical access to take control of the session after entering an Alt-Tab sequence.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1832
https://exchange.xforce.ibmcloud.com/vulnerabilities/34722
http://www.vupen.com/english/advisories/2007/2056
http://www.securitytracker.com/id?1018194
http://www.securityfocus.com/bid/24314
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102834-1