Google released an updated version of Chrome 66 (version 66.0.3359.170) for Windows, Mac, and Linux systems that addressed 4 security vulnerabilities.
“This update includes 4 security fixes. Below, we highlight fixes that were contributed by external researchers. Please see the Chrome Security Page for more information.” reads the post published by Google.
Three of the vulnerabilities were reported by external researchers, the most severe issues are a privilege escalation in extensions tracked as CVE-2018-6121 and a type confusion in V8 tracked as CVE-2018-6122.
An anonymous researcher reported that chaining the two flaws could result in the sandbox escape and could allow a remote attacker to take control of target systems.
Chrome addressed the CVE-2018-6120 heap buffer overflow in PDFium reported by Zhou Aiting of Qihoo 360 Vulcan Team that received a $5,000 reward.
In April, Google issued security patches to address another Critical flaw in Chrome, the flaw was fixed in with the 66.0.3359.137 version.
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(Security Affairs – Chrome 66, Google)