Debian Linux Security Advisory 5538-1 - Multiple security issues were discovered in Thunderbird, which could result in denial of service or the execution of arbitrary code.
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Ubuntu Security Notice 6456-1 - 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. Kelsey Gilbert discovered that Firefox did not properly manage certain browser prompts and dialogs due to an insufficient activation-delay. An attacker could potentially exploit this issue to perform clickjacking.
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Debian Linux Security Advisory 5535-1 - Multiple security issues have been found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code, clickjacking, spoofing or information leaks.
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