Ubuntu Security Notice 1122-3 - USN-1122-2 fixed vulnerabilities in Thunderbird on Ubuntu 11.04. A regression was introduced which caused Thunderbird to display an empty menu bar. This update fixes the problem. It was discovered that there was a vulnerability in the memory handling of certain types of content. An attacker could exploit this to possibly run arbitrary code as the user running Thunderbird. It was discovered that Thunderbird incorrectly handled certain JavaScript requests. If JavaScript were enabled, an attacker could exploit this to possibly run arbitrary code as the user running Thunderbird. Various other issues were also addressed
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Debian Linux Security Advisory 2235-1 - Several vulnerabilities have been discovered in Icedove, an unbranded version of the Thunderbird mail/news client.
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Ubuntu Security Notice 1122-2 - USN-1122-1 fixed vulnerabilities in Thunderbird for Lucid and Maverick. This update provides the corresponding fixes for Natty. It was discovered that there was a vulnerability in the memory handling of certain types of content. An attacker could exploit this to possibly run arbitrary code as the user running Thunderbird. It was discovered that Thunderbird incorrectly handled certain JavaScript requests. If JavaScript were enabled, an attacker could exploit this to possibly run arbitrary code as the user running Thunderbird. Ian Beer discovered a vulnerability in the memory handling of a certain types of documents. An attacker could exploit this to possibly run arbitrary code as the user running Thunderbird. Multiple other vulnerabilities were also addressed.
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Ubuntu Security Notice 1122-1 - It was discovered that there was a vulnerability in the memory handling of certain types of content. An attacker could exploit this to possibly run arbitrary code as the user running Thunderbird. It was discovered that Thunderbird incorrectly handled certain JavaScript requests. If JavaScript were enabled, an attacker could exploit this to possibly run arbitrary code as the user running Thunderbird. Ian Beer discovered a vulnerability in the memory handling of a certain types of documents. An attacker could exploit this to possibly run arbitrary code as the user running Thunderbird. Multiple other vulnerabilities were also addressed.
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Debian Linux Security Advisory 2228-1 - Several vulnerabilities have been found in Iceweasel, a web browser based on Firefox.
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Debian Linux Security Advisory 2227-1 - Several vulnerabilities have been found in the Iceape internet suite, an unbranded version of Seamonkey.
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Mandriva Linux Security Advisory 2011-079 - Chris Evans of the Chrome Security Team reported that the XSLT generate-id() function returned a string that revealed a specific valid address of an object on the memory heap. It is possible that in some cases this address would be valuable information that could be used by an attacker while exploiting a different memory corruption but, in order to make an exploit more reliable or work around mitigation features in the browser or operating system. Various other issues were also addressed.
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Ubuntu Security Notice 1123-1 - A large number of security issues were discovered in the Gecko rendering engine. If a user were tricked into viewing a malicious website, a remote attacker could exploit a variety of issues related to web browser security, including cross-site scripting attacks, denial of service attacks, and arbitrary code execution.
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Ubuntu Security Notice 1112-1 - Multiple vulnerabilities have been identified and fixed in Firefox. It was discovered that there was a vulnerability in the memory handling of certain types of content. It was discovered that Firefox incorrectly handled certain JavaScript requests. Ian Beer discovered a vulnerability in the memory handling of a certain types of documents. Various other issues were also addressed.
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