Ubuntu Security Notice USN-7056-1 –

– Ubuntu Security Notice 7056-1 – Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information across domains, or execute arbitrary code. Masato Kinugawa discovered that Firefox did not properly validate javascript under the “resource://pdf.js” origin. An attacker could potentially exploit this issue to execute arbitrary javascript code and access cross-origin PDF content. – Read More  – Packet Storm