Please Install the Updated Packages.

Jan de Mooij, Christian Holler, Karl Tomlinson, Randell Jesup, Gary Kwong, Jesse Ruderman, JW Wang and David Weir 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. (CVE-2014-1553, CVE-2014-1554, CVE-2014-1562) Abhishek Arya discovered a use-after-free during DOM interactions with SVG. If a user were tricked in to opening a specially crafted page, an attacker could potentially exploit this to cause a denial of service via application crash or execute arbitrary code with the privileges of the user invoking Firefox. (CVE-2014-1563) Michal Zalewski discovered that memory is not initialized properly during GIF rendering in some circumstances. If a user were tricked in to opening a specially crafted page, an attacker could potentially exploit this to steal confidential information. (CVE-2014-1564) Holger Fuhrmannek discovered an out-of-bounds read in Web Audio. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash or steal confidential information. (CVE-2014-1565) A use-after-free was discovered during text layout in some circumstances. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash or execute arbitrary code with the privileges of the user invoking Firefox. (CVE-2014-1567)

firefox on Ubuntu 14.04 LTS , Ubuntu 12.04 LTS