Several vulnerabilities have been found in Iceweasel, a web browser based on Firefox: CVE-2011-0083 / CVE-2011-2363 "regenrecht" discovered two use-after-frees in SVG processing, which could lead to the execution of arbitrary code. CVE-2011-0085 "regenrecht" discovered a use-after-free in XUL processing, which could lead to the execution of arbitrary code. CVE-2011-2362 David Chan discovered that cookies were insufficiently isolated. CVE-2011-2371 Chris Rohlf and Yan Ivnitskiy discovered an integer overflow in the Javascript engine, which could lead to the execution of arbitrary code. CVE-2011-2373 Martin Barbella discovered a use-after-free in XUL processing, which could lead to the execution of arbitrary code. CVE-2011-2374 Bob Clary, Kevin Brosnan, Nils, Gary Kwong, Jesse Ruderman and Christian Biesinger discovered memory corruption bugs, which may lead to the execution of arbitrary code. CVE-2011-2376 Luke Wagner and Gary Kwong discovered memory corruption bugs, which may lead to the execution of arbitrary code.