Several security holes affect Tails 0.20.

We strongly urge you to upgrade to Tails 0.20.1 as soon as possible in case you are still using an older version.

Details

• Iceweasel:
  • Debian Security Advisory 2759
  • Mozilla Foundation Security Advisory 2013-76
  • Mozilla Foundation Security Advisory 2013-79
  • Mozilla Foundation Security Advisory 2013-82
  • Mozilla Foundation Security Advisory 2013-83
  • Mozilla Foundation Security Advisory 2013-88
  • Mozilla Foundation Security Advisory 2013-89
  • Mozilla Foundation Security Advisory 2013-90
  • Mozilla Foundation Security Advisory 2013-91
• imagemagick: Debian Security Advisory 2750
• tiff: Debian Security Advisory 2744
• Linux kernel:
  • CVE-2013-4125
  • CVE-2013-4163
  • CVE-2013-4162
  • CVE-2013-4205
  • CVE-2013-2899
  • CVE-2013-2898
  • CVE-2013-2896
  • CVE-2013-2892
  • CVE-2013-2888
  • CVE-2013-0343
  • CVE-2013-4254