============================================================================ Ubuntu Security Notice USN-1611-1 October 12, 2012 thunderbird vulnerabilities ============================================================================ A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 12.04 LTS - Ubuntu 11.10 - Ubuntu 11.04 - Ubuntu 10.04 LTS Summary: Several security issues were fixed in Thunderbird. Software Description: - thunderbird: Mozilla Open Source mail and newsgroup client Details: Henrik Skupin, Jesse Ruderman, Christian Holler, Soroush Dalili and others discovered several memory corruption flaws in Thunderbird. If a user were tricked into opening a malicious website and had JavaScript enabled, an attacker could exploit these to execute arbitrary JavaScript code within the context of another website or arbitrary code as the user invoking the program. (CVE-2012-3982, CVE-2012-3983, CVE-2012-3988, CVE-2012-3989, CVE-2012-4191) David Bloom and Jordi Chancel discovered that Thunderbird did not always properly handle the