USN-3044-1

Gustavo Grieco discovered an out-of-bounds read during XML parsing 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 obtain sensitive information. (CVE-2016-0718)

Toni Huttunen discovered that once a favicon is requested from a site, the remote server can keep the network connection open even after the page is closed. A remote attacked could potentially exploit this to track users, resulting in information disclosure. (CVE-2016-2830)

Christian Holler, Tyson Smith, Boris Zbarsky, Byron Campen, Julian Seward, Carsten Book, Gary Kwong, Jesse Ruderman, Andrew McCreight, and Phil Ringnalda 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. (CVE-2016-2835, CVE-2016-2836)

A buffer overflow was discovered in the ClearKey Content Decryption Module (CDM) during video playback. 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 plugin process crash, or, in combination with another vulnerability to escape the GMP sandbox, execute arbitrary code. (CVE-2016-2837)

Atte Kettunen discovered a buffer overflow when rendering SVG content 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. (CVE-2016-2838)

Bert Massop discovered a crash in Cairo with version 0.10 of FFmpeg. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to execute arbitrary code. (CVE-2016-2839)

Catalin Dumitru discovered that URLs of resources loaded after a navigation start could be...