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Security researcher Holger Fuhrmannek discovered an out-of-bounds read during the creation of an audio timeline in Web Audio. This results in a crash and could allow for the reading of random memory values.

Google security researcher Michal Zalewski discovered that when a malformated GIF image is rendered in certain circumstances, memory is not properly initialized before use. The resulting image then uses this memory during rendering. This could allow for the a script in web content to access this unitialized memory using the <canvas> feature.

Security researcher Abhishek Arya (Inferno) of the Google Chrome Security Team used the Address Sanitizer tool to discover a use-after-free during cycle collection. This was found in interactions with the SVG content through the document object model (DOM) with animating SVG content. This leads to a potentially exploitable crash.

Mozilla developers and community identified and fixed several memory safety bugs in the browser engine used in Firefox and other Mozilla-based products. Some of these bugs showed evidence of memory corruption under certain circumstances, and we presume that with enough effort at least some of these could be exploited to run arbitrary code.

Using the Address Sanitizer tool, security researcher Atte Kettunen from OUSPG discovered a buffer overflow when making capitalization style changes during CSS parsing. This can cause a crash that is potentially exploitable.

Security researcher Holger Fuhrmannek used the used the Address Sanitizer tool to discover an out-of-bounds read issue with Web Audio when interacting with custom waveforms with invalid values. This results in a crash and could allow for the reading of random memory which may contain sensitive data, or of memory addresses that could be used in combination with another bug.

Using the Address Sanitizer tool, security researcher Abhishek Arya (Inferno) of the Google Chrome Security Team found an out-of-bounds write when buffering WebM format video containing frames with invalid tile sizes. This can lead to a potentially exploitable crash during WebM video playback.

Security researcher regenrecht reported, via TippingPoint"s Zero Day Initiative, a use-after-free during text layout when interacting with text direction. This results in a crash which can lead to arbitrary code execution.

Mozilla developers Eric Shepherd and Jan-Ivar Bruaroey reported issues with privacy and video sharing using WebRTC. Once video sharing has started within a WebRTC session running within an <iframe> , video will continue to be shared even if the user selects the &quote;Stop Sharing" button in the controls. The camera will also remain on even if the user navigates to another site and will ...

Mozilla developer Boris Zbarsky reported that a malicious app could use the AlarmAPI to read the values of cross-origin references, such as an iframe"s location object, as part of an alarm"s JSON data. This allows a malicious app to bypass same-origin policy.


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