Ubuntu Security Notice 1891-1 - Multiple memory safety issues were discovered in Thunderbird. If the user were tricked into opening a specially crafted message with scripting enabled, an attacker could possibly exploit these to cause a denial of service via application crash, or potentially execute arbitrary code with the privileges of the user invoking Thunderbird. Abhishek Arya discovered multiple use-after-free bugs. If the user were tricked into opening a specially crafted message with scripting enabled, an attacker could possibly exploit these to execute arbitrary code with the privileges of the user invoking Thunderbird. CVE-2013-1685,CVE-2013-1686) Various other issues were also addressed.
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