Ubuntu Security Notice USN-728-3 - Jesse Ruderman and Gary Kwong discovered flaws in the browser engine. If a user were tricked into viewing a malicious website, a remote attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program. Georgi Guninski discovered a flaw when Firefox performed a cross-domain redirect. An attacker could bypass the same-origin policy in Firefox by utilizing nsIRDFService and steal private data from users authenticated to the redirected website.
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