Use-after-free vulnerability in the SVG implementation in Blink, as used in Google Chrome before 43.0.2357.65, allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted document that leverages improper handling of a shadow tree for a use element.

Affected: Ubuntu:14.04:LTS: oxide-qt

Several security issues were discovered in the DOM implementation in Blink. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to bypass Same Origin Policy restrictions. (CVE-2015-1253, CVE-2015-1254)

A use-after-free was discovered in the WebAudio implementation in Chromium. 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 renderer crash, or execute arbitrary code with the privileges of the sandboxed render process. (CVE-2015-1255)

A use-after-free was discovered in the SVG implementation in Blink. 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 renderer crash, or execute arbitrary code with the privileges of the sandboxed render process. (CVE-2015-1256)

A security issue was discovered in the SVG implementation in Blink. 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 renderer crash. (CVE-2015-1257)

An issue was discovered with the build of libvpx. 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 renderer crash, or execute arbitrary code with the privileges of the sandboxed render process. (CVE-2015-1258)

Multiple use-after-free issues were dis…