Google patches two extra Chrome zero-days | ZDNet

Picture: Mitchell Luo

Google has launched right now Chrome model 86.0.4240.198 to patch two zero-day vulnerabilities that had been exploited within the wild.

These two bugs mark the fourth and fifth zero-days that Google has patched in Chrome over the previous three weeks.

The distinction this time is that whereas the primary three zero-days had been found internally by Google safety researchers, these two new zero-days got here to Google’s consideration after ideas from nameless sources.

Particulars in regards to the assaults the place the Chrome two zero-days have been used haven’t been made public, on the time of writing.

In accordance with the Chrome 86.0.4240.198 changelog, the 2 zero-days are tracked and described as follows:

  • CVE-2020-16013 – Described as an “inappropriate implementation in V8,” the place V8 is the Chrome element that handles JavaScript code.
  • CVE-2020-16017 – Described as a “use after free” reminiscence corruption bug in Site Isolation, the Chrome element that isolates every website’s knowledge from each other.

It’s at the moment unknown if the 2 vulnerabilities have been used collectively, as a part of an exploit chain, or used individually. The primary one was reported on Monday, whereas the second was reported earlier right now, on Wednesday.

These two zero-days come after Google additionally patched:

Most zero-days are normally employed in focused assaults towards a small variety of chosen targets, so most customers should not needlessly panic.

Whereas it is unclear the extent of hazard for normal customers, Chrome customers are nonetheless suggested to replace to v86.0.4240.198 through the browser’s built-in replace perform (see Chrome menu, Assist possibility, and About Google Chrome part) as quickly as doable.

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