Ubuntu Security Notice 6717-1 - 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. Hubert Kario discovered that Thunderbird had a timing side-channel when performing RSA decryption. A remote attacker could possibly use this issue to recover sensitive information. Continue reading...
