Update Your Chrome Browser ASAP to Patch a Week Old Public Exploit

Google on Tuesday launched an update for Chrome web browser for Home windows, Mac, and Linux, with a whole of 7 protection fixes, like one particular flaw for which it states an exploit exists in the wild.

Tracked as CVE-2021-21224, the flaw worries a sort confusion vulnerability in V8 open up-source JavaScript engine that was reported to the firm by protection researcher Jose Martinez on April 5

In accordance to safety researcher Lei Cao, the bug [1195777] is activated when performing integer data type conversion, resulting in an out-of-bounds affliction that could be utilised to attain arbitrary memory study/write primitive.

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“Google is aware of reports that exploits for CVE-2021-21224 exist in the wild,” Chrome’s Specialized Plan Supervisor Srinivas Sista reported in a blog site publish.


The update arrives right after evidence-of-concept (PoC) code exploiting the flaw posted by a researcher named “frust” emerged on April 14 by using advantage of the reality that the situation was resolved in the V8 resource code, but the patch was not integrated into the Chromium codebase and all the browsers that rely on it, this sort of as Chrome, Microsoft Edge, Brave, Vivaldi, and Opera.

The a single-7 days patch gap meant the browsers had been susceptible to attacks till the patches posted in the open up-supply code repository ended up released as a stable update.

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It truly is worthy of noting that Google halved the median “patch gap” from 33 times in Chrome 76 to 15 days in Chrome 78, which was released in October 2019, thus pushing significant security fixes every two weeks.

The hottest set of fixes also arrive close on the heels of an update the research big rolled out previous week with patches for two stability vulnerabilities CVE-2021-21206 and CVE-2021-21220, the latter of which was shown at the Pwn2Very own 2021 hacking contest previously this month.

Chrome 90..4430.85 is predicted to roll out in the coming days. End users can update to the newest edition by heading to Configurations > Assistance > About Google Chrome to mitigate the danger related with the flaws.

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