Exodus Intelligence security researcher István Kurucsai discovered and published a proof-of-concept of a vulnerability found in Google Chrome.

Although the security flaw has been patched in Chrome’s version 8 JavaScript engine, a fix hasn’t been developed for Chrome version 73 leaving at least an estimated billion users at risk. Kurucsai pointed out that this situation isn’t unique to Google, but said in his blog post it's important that users dig deep into a patch to know if it applies to an exploitable security vulnerability.

Skilled adversaries could use the gap between the zero day’s announcement and the release of the patch to launch a more effective attack, said Craig Young, computer security researcher for Tripwire’s VERT (Vulnerability and Exposure Research Team) told SC Media.

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