icedove - several

Several vulnerabilities have been discovered in Icedove, an unbranded
version of the Thunderbird mail/news client.

• CVE-2012-0455
  Soroush Dalili discovered that a cross-site scripting countermeasure
  related to Javascript URLs could be bypassed.
• CVE-2012-0456
  Atte Kettunen discovered an out of bounds read in the SVG Filters,
  resulting in memory disclosure.
• CVE-2012-0458
  Mariusz Mlynski discovered that privileges could be escalated through
  a Javascript URL as the home page.
• CVE-2012-0461
  Bob Clary discovered memory corruption bugs, which may lead to the
  execution of arbitrary code.

For the stable distribution (squeeze), this problem has been fixed in
version 3.0.11-1+squeeze8.

For the unstable distribution (sid), this problem will be fixed soon.

We recommend that you upgrade your icedove packages.