Many of our security bugs are detected using AddressSanitizer, MemorySanitizer, UndefinedBehaviorSanitizer, Control Flow Integrity, libFuzzer, or AFL. We would also like to thank all security researchers that worked with us during the development cycle to prevent security bugs from ever reaching the stable channel. Google is aware of reports that exploits for CVE-2020-16013 and CVE-2020-16017 exist in the wild. High CVE-2020-16017: Use after free in site isolation. Launching the browser takes no time at all after downloading the 3.5MB. Like the normal Opera browser, Opera GX has an Android and iOS app. High CVE-2020-16013: Inappropriate implementation in V8. Opera GX runs on both Windows 10 and macOS. Please see the Chrome Security Page for more information. Below, we highlight fixes that were contributed by external researchers.

We will also retain restrictions if the bug exists in a third party library that other projects similarly depend on, but haven’t yet fixed. Note: Access to bug details and links may be kept restricted until a majority of users are updated with a fix.

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