An use-after-free vulnerability related to Media Cache was found in Google Chrome. By exploiting this vulnerability malicious users can cause denial of service and possibly execute arbitrary code.

NB: This vulnerability does not have any public CVSS rating, so rating can be changed by the time.

NB: At this moment Google has just reserved CVE numbers for these vulnerabilities. Information can be changed soon.

Google Chrome earlier than 66.0.3359.139

Update to the latest version. File with name old_chrome can be still detected after update. It caused by Google Chrome update policy which does not remove old versions when installing updates. Try to contact vendor for further delete instructions or ignore such kind of alerts at your own risk.
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Chrome Releases: Stable Channel Update for Desktop

CVE-2018-6118