Updated firefox packages fix security vulnerabilities

Updated firefox packages fix security vulnerabilities: Multiple memory safety issues in Firefox were discovered. 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-2015-7201). Ronald Crane discovered a buffer overflow through code inspection. 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-2015-7205). Looben Yang discovered a use-after-free in WebRTC when closing channels 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-2015-7210). Abhishek Arya discovered an integer overflow when allocating large textures. 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-2015-7212). Ronald Crane dicovered an integer overflow when processing MP4 format video 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-2015-7213). Tsubasa Iinuma discovered a way to bypass same-origin restrictions using data: and view-source: URLs. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to obtain sensitive information and read local files (CVE-2015-7214). Gerald Squelart discovered an integer underflow in the libstagefright library when parsing MP4 format video 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-2015-7222).