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Chrome update for desktop operating systems repairs critical sandbox escape bug

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Google's latest stable channel update for the Windows, Mac and Linux versions of Chrome fixes four vulnerabilities, including a critical bug that can lead to a sandbox escape.

The sandbox escape bug was reported last Apr. 23 by an anonymous researchers. In a May 10 company blog post, Google does not list an official CVE identifier. The remaining three bugs, all deemed of high importance, consist of a privilege escalation in extensions (CVE-2018-6121), a type confusion in V8 (CVE-2018-6122) and a heap buffer overflow in PDFium (CVE-2018-6120). Researcher Zhou Aiting of the Qihoo 360 Vulcan Team will earn a $5,000 bug bounty reward for discovering the heap buffer overflow flaw.

Chrome version 66.0.3359.170 for the three desktop operating systems will roll out in the coming days and weeks.

Also on May 10, Google announced that an update of Chrome for Android is now in Google Play. Two days earlier, Google also reported a stable channel update for Chrome operating system devices.

Bradley Barth

As director of multimedia content strategy at CyberRisk Alliance, Bradley Barth develops content for online conferences, webcasts, podcasts video/multimedia projects — often serving as moderator or host. For nearly six years, he wrote and reported for SC Media as deputy editor and, before that, senior reporter. He was previously a program executive with the tech-focused PR firm Voxus. Past journalistic experience includes stints as business editor at Executive Technology, a staff writer at New York Sportscene and a freelance journalist covering travel and entertainment. In his spare time, Bradley also writes screenplays.

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