Debian: DSA-2313-1 Moderate: Iceweasel Remote Code Execution

Several vulnerabilities have been found in Iceweasel, a web browser
based on Firefox:

CVE-2011-2372

Mariusz Mlynski discovered that websites could open a download
dialog - which has "open" as the default action -, while a user
presses the ENTER key.

CVE-2011-2995

Benjamin Smedberg, Bob Clary and Jesse Ruderman discovered crashes
in the rendering engine, which could lead to the execution of
arbitrary code.

CVE-2011-2998

Mark Kaplan discovered an integer underflow in the javascript
engine, which could lead to the execution of arbitrary code.

CVE-2011-2999

Boris Zbarsky discovered that incorrect handling of the
window.location object could lead to bypasses of the same-origin
policy.

CVE-2011-3000

Ian Graham discovered that multiple Location headers might lead to
CRLF injection.

For the oldstable distribution (lenny), this problem has been fixed in
version 1.9.0.19-14 of the xulrunner source package. This update also
marks the compromised DigiNotar root certs as revoked...