Mozilla, Google, and Safari have released updated versions of their respective browsers. Vulnerabilities addressed include execution of arbitrary code, denial-of-service conditions, bypassing security restrictions, operating with escalated privileges, and more.
The IT Security office advises owners of the affected browsers to restart their browser or follow update instructions to facilitate updating.
Security bulletin names:
Security Advisories for Firefox - released April 2, 2013 Stable Channel Update - released April 11, 2013
APPLE-SA-2013-04-16-1 Safari 6.0.4 - April 16, 2013
Additional information about this vulnerability can be viewed at: