Debian Linux Security Advisory 3601-1 - Multiple security issues have been found in Icedove, Debian's version of lead to the execution of arbitrary code or denial of service.
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Ubuntu Security Notice 2936-1 - Christian Holler, Tyson Smith, Phil Ringalda, Gary Kwong, Jesse Ruderman, Mats Palmgren, Carsten Book, Boris Zbarsky, David Bolter, Randell Jesup, Andrew McCreight, and Steve Fink discovered multiple memory safety issues in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service via application crash, or execute arbitrary code with the privileges of the user invoking Firefox. Various other issues were also addressed.
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Red Hat Security Advisory 2016-0695-01 - Mozilla Firefox is an open source web browser. This update upgrades Firefox to version 45.1.0 ESR. Security Fix: Multiple flaws were found in the processing of malformed web content. A web page containing malicious content could cause Firefox to crash or, potentially, execute arbitrary code with the privileges of the user running Firefox.
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