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Security researcher Abhishek Arya (Inferno) of the Google Chrome Security Team used the Address Sanitizer tool to discover a buffer overflow when a script uses a non-XBL object as an XBL object because the XBL status of the object is not properly validated. The resulting memory corruption is potentially exploitable.

Using the Address Sanitizer tool, security researcher Abhishek Arya (Inferno) of the Google Chrome Security Team found a use-after-free in the Text Track Manager while processing HTML video. This was caused by inconsistent garbage collection of Text Track Manager variables and results in a potentially exploitable crash.

Security researcher Jukka Jylänki reported a crash in the the Cairo graphics library. This happens when Cairo paints out-of-bounds to the destination buffer in the compositing function when working with canvas in certain circumstances. This issue allows malicious web content to cause a potentially exploitable crash.

Security researcher Mariusz Mlynski discovered an issue where sites that have been given notification permissions by a user can bypass security checks on source components for the Web Notification API. This allows for script to be run in a privileged context through notifications, leading to arbitrary code execution on these sites.

Mozilla security researcher moz_bug_r_a4 reported a method to use browser navigations through history to load a website with that page"s baseURI property pointing to that of another site instead of the seemingly loaded one. The user will continue to see the incorrect site in the addressbar of the browser. This allows for a cross-site scripting (XSS) attack or the theft of data through a phishing ...

Security researcher Nils discovered a use-after-free error in which the imgLoader object is freed while an image is being resized. This results in a potentially exploitable crash.

Security researcher Christian Heimes reported that the RFC 6125 for wildcard certificates. This leads to improper wildcard matching of domains when they should not be matched in compliance with the specification. This issue was fixed in NSS version 3.16.

Security researchers Tyson Smith and Jesse Schwartzentruber of the BlackBerry Security Automated Analysis Team used the Address Sanitizer tool while fuzzing to discover a use-after-free during host resolution in some circumstances. This leads to a potentially exploitable crash.

Mozilla developer Boris Zbarsky discovered that the debugger will work with some objects while bypassing XrayWrappers. This could lead to privilege escalation if the victim used the debugger to interact with a malicious page.

Security researcher Fabián Cuchietti discovered that it was possible to bypass the restriction on JavaScript execution in mail by embedding an <iframe> with a data: URL within a message. If the victim replied or forwarded the mail after receiving it, quoting it "in-line" using Thunderbird"s HTML mail editor, it would run the attached script. The running script would be rest ...

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