Several security holes that affect Tails 2.3 are now fixed in Tails 2.4.

We strongly encourage you to upgrade to Tails 2.4 as soon as possible.

Details

• Tor Browser: Mozilla Foundation Security Advisory 2016-49, Mozilla Foundation Security Advisory 2016-50, Mozilla Foundation Security Advisory 2016-51, Mozilla Foundation Security Advisory 2016-52, Mozilla Foundation Security Advisory 2016-53, Mozilla Foundation Security Advisory 2016-55, Mozilla Foundation Security Advisory 2016-56, Mozilla Foundation Security Advisory 2016-58
• libarchive: Debian Security Advisory 3574
• icedove: Debian Security Advisory 3576
• imagemagick: Debian Security Advisory 3580, Debian Security Advisory 3591
• expat: Debian Security Advisory 3582
• libgd3: Debian Security Advisory 3556, Debian Security Advisory 3587
• gdk-pixbuf: Debian Security Advisory 3589
• libidn: Debian Security Advisory 3578
• libndp: Debian Security Advisory 3582
• poppler: Debian Security Advisory 3563
• librsvg: Debian Security Advisory 3584
• openssl: Debian Security Advisory 3566
• libtasn1-6: Debian Security Advisory 3568
• libxml2: Debian Security Advisory 3593
• openjdk-7-jre: Debian Security Advisory 3558