Ubuntu Security Notice 2119-1 - Christian Holler, Terrence Cole, Jesse Ruderman, Gary Kwong, Eric Rescorla, Jonathan Kew, Dan Gohman, Ryan VanderMeulen and Sotaro Ikeda discovered multiple memory safety issues in Thunderbird. If a user were tricked in to opening a specially crafted message with scripting enabled, an attacker could potentially exploit these to cause a denial of service via application crash, or execute arbitrary code with the privileges of the user invoking Thunderbird. Cody Crews discovered a method to bypass System Only Wrappers. If a user had enabled scripting, an attacker could potentially exploit this to steal confidential data or execute code with the privileges of the user invoking Thunderbird. Various other issues were also addressed.
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Ubuntu Security Notice 2102-2 - USN-2102-1 fixed vulnerabilities in Firefox. The update introduced a regression which could make Firefox crash under some circumstances. This update fixes the problem.
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Ubuntu Security Notice 2102-1 - Christian Holler, Terrence Cole, Jesse Ruderman, Gary Kwong, Eric Rescorla, Jonathan Kew, Dan Gohman, Ryan VanderMeulen, Carsten Book, Andrew Sutherland, Byron Campen, Nicholas Nethercote, Paul Adenot, David Baron, Julian Seward and Sotaro Ikeda discovered multiple memory safety issues in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service via application crash, or execute arbitrary code with the privileges of the user invoking Firefox. Various other issues were also addressed.
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Debian Linux Security Advisory 2858-1 - Multiple security issues have been found in Iceweasel, Debian's version use-after-frees, too-verbose error messages and missing permission checks may lead to the execution of arbitrary code, the bypass of security checks or information disclosure. This update also addresses security issues in the bundled version of the NSS crypto library.
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Red Hat Security Advisory 2014-0133-01 - Mozilla Thunderbird is a standalone mail and newsgroup client. Several flaws were found in the processing of malformed content. Malicious content could cause Thunderbird to crash or, potentially, execute arbitrary code with the privileges of the user running Thunderbird. A flaw was found in the way Thunderbird handled error messages related to web workers. An attacker could use this flaw to bypass the same-origin policy, which could lead to cross-site scripting attacks, or could potentially be used to gather authentication tokens and other data from third-party websites.
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Red Hat Security Advisory 2014-0132-01 - Mozilla Firefox is an open source web browser. XULRunner provides the XUL Runtime environment for Mozilla Firefox. Several 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. A flaw was found in the way Firefox handled error messages related to web workers. An attacker could use this flaw to bypass the same-origin policy, which could lead to cross-site scripting attacks, or could potentially be used to gather authentication tokens and other data from third-party websites.
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