Debian Linux Security Advisory 5789-1 - Multiple security issues were discovered in Thunderbird, which could result in the execution of arbitrary code.
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Ubuntu Security Notice 7056-1 - Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information across domains, or execute arbitrary code. Masato Kinugawa discovered that Firefox did not properly validate javascript under the "resource://pdf.js" origin. An attacker could potentially exploit this issue to execute arbitrary javascript code and access cross-origin PDF content.
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Debian Linux Security Advisory 5783-1 - Multiple security issues have been found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code.
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