icedove - several

Several vulnerabilities were discovered in Icedove, Debian’s version
of the Mozilla Thunderbird mail and news client.

• CVE-2012-1948
  Multiple unspecified vulnerabilities in the browser engine
  were fixed.
• CVE-2012-1950
  The underlying browser engine allows address bar spoofing
  through drag-and-drop.
• CVE-2012-1954
  A use-after-free vulnerability in the nsDocument::AdoptNode
  function allows remote attackers to cause a denial of service
  (heap memory corruption) or possibly execute arbitrary code.
• CVE-2012-1967
  An error in the implementation of the JavaScript sandbox
  allows execution of JavaScript code with improper privileges
  using javascript: URLs.

For the stable distribution (squeeze), these problems have been fixed
in version 3.0.11-1+squeeze12.

For the testing distribution (wheezy) and the unstable distribution
(sid), these problems have been fixed in version 10.0.6-1.

We recommend that you upgrade your icedove packages.