Ubuntu Security Notice USN-668-1 - Georgi Guninski, Michal Zalewsk and Chris Evans discovered that the same-origin check in Thunderbird could be bypassed. If a user were tricked into opening a malicious website, an attacker could obtain private information from data stored in the images, or discover information about software on the user's computer. Jesse Ruderman discovered that Thunderbird did not properly guard locks on non-native objects. If a user had JavaScript enabled and were tricked into opening malicious web content, an attacker could cause a browser crash and possibly execute arbitrary code with user privileges. Several problems were discovered in the browser, layout and JavaScript engines. If a user had JavaScript enabled, these problems could allow an attacker to crash Thunderbird and possibly execute arbitrary code with user privileges. A flaw was discovered in Thunderbird's DOM constructing code. If a user were tricked into opening a malicious website while having JavaScript enabled, an attacker could cause the browser to crash and potentially execute arbitrary code with user privileges. It was discovered that the same-origin check in Thunderbird could be bypassed. If a user had JavaScript enabled and were tricked into opening malicious web content, an attacker could execute JavaScript in the context of a different website. Chris Evans discovered that Thunderbird did not properly parse E4X documents, leading to quote characters in the namespace not being properly escaped. Boris Zbarsky discovered that Thunderbird did not properly process comments in forwarded in-line messages. If a user had JavaScript enabled and opened a malicious email, an attacker may be able to obtain information about the recipient.
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Mandriva Linux Security Advisory 2008-235 - A number of security vulnerabilities have been discovered and corrected in the latest Mozilla Thunderbird program, version 2.0.0.18. This update provides the latest Thunderbird to correct these issues.
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Ubuntu Security Notice USN-667-1 - A large amount of vulnerabilities have been addressed in Firefox. Flaws such as information disclosure, bypassing of same-origin checks, arbitrary code execution, and more exist in prior versions.
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Mandriva Linux Security Advisory 2008-230 - Security vulnerabilities have been discovered and corrected in the latest Mozilla Firefox 3.x, version 3.0.4. This update provides the latest Mozilla Firefox 3.x to correct these issues.
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