Ubuntu Security Notice USN-6903-1 –

– Ubuntu Security Notice 6903-1 – Multiple security issues were discovered in Thunderbird. If a user were tricked into opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information, bypass security restrictions, cross-site tracing, or execute arbitrary code. Ronald Crane discovered that Thunderbird did not properly manage certain memory operations in the NSS. An attacker could potentially exploit this issue to cause a denial of service. – Read More  – Packet Storm