Ubuntu Security Notice 3165-1 - Multiple memory safety issues were discovered in Thunderbird. If a user were tricked in to opening a specially crafted message, an attacker could potentially exploit these to cause a denial of service via application crash, or execute arbitrary code. Andrew Krasichkov discovered that event handlers on <marquee> elements were executed despite a Content Security Policy that disallowed inline JavaScript. If a user were tricked in to opening a specially crafted website in a browsing context, an attacker could potentially exploit this to conduct cross-site scripting attacks. Various other issues were also addressed.
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Debian Linux Security Advisory 3757-1 - Multiple security issues have been found in Icedove, Debian's version of to the execution of arbitrary code, data leakage or bypass of the content security policy.
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Red Hat Security Advisory 2016-2946-01 - Mozilla Firefox is an open source web browser. This update upgrades Firefox to version 45.6.0 ESR. Security Fix: Multiple flaws were found in the processing of malformed web content. A web page containing malicious content could cause Firefox to crash or, potentially, execute arbitrary code with the privileges of the user running Firefox.
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Ubuntu Security Notice 3155-1 - Multiple security vulnerabilities were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to conduct cross-site scripting attacks, obtain sensitive information, cause a denial of service via application crash, or execute arbitrary code. Various other issues were also addressed.
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