Ubuntu Security Notice 4335-1 - Multiple security issues were discovered in Thunderbird. If a user were tricked in to 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, bypass same-origin restrictions, conduct cross-site scripting attacks, or execute arbitrary code. Various other issues were also addressed.
5b0f96c8e531ef4c9797c7c8b829d69de481a70cc62c8097c6bd38d1c1677453
Ubuntu Security Notice 4202-2 - USN-4202-1 fixed vulnerabilities in Thunderbird. After upgrading, Thunderbird created a new profile for some users. This update fixes the problem. It was discovered that a specially crafted S/MIME message with an inner encryption layer could be displayed as having a valid signature in some circumstances, even if the signer had no access to the encrypted message. An attacker could potentially exploit this to spoof the message author. Multiple security issues were discovered in Thunderbird. If a user were tricked in to opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, bypass security restrictions, bypass same-origin restrictions, conduct cross-site scripting attacks, or execute arbitrary code. A heap overflow was discovered in the expat library in Thunderbird. If a user were tricked in to opening a specially crafted message, an attacker could potentially exploit this to cause a denial of service, or execute arbitrary code.
0508b25ed86166d9e8ad492da3dab33c26ea8d976fc0c2aaea774bea64b55912
Debian Linux Security Advisory 4571-1 - Multiple security issues have been found in Thunderbird which could potentially result in the execution of arbitrary code or denial of service.
d1da11dc68e0e483876a30896b2795e84ff6d0181f67e226306de8a7caa0ee6d