Security News > 2021 > September > Urgent Chrome Update Released to Patch Actively Exploited Zero-Day Vulnerability
Google on Friday rolled out an emergency security patch to its Chrome web browser to address a security flaw that's known to have an exploit in the wild.
Tracked as CVE-2021-37973, the vulnerability has been described as use after free in Portals API, a web page navigation system that enables a page to show another page as an inset and "Perform a seamless transition to a new state, where the formerly-inset page becomes the top-level document."
Clément Lecigne of Google Threat Analysis Group has been credited with reporting the flaw.
Additional specifics pertaining to the weakness have not been disclosed in light of active exploitation and to allow a majority of the users to apply the patch, but the internet giant said it's "Aware that an exploit for CVE-2021-37973 exists in the wild."
Chrome users are advised to update to the latest version for Windows, Mac, and Linux by heading to Settings > Help > 'About Google Chrome' to mitigate the risk associated with the flaw.
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Related Vulnerability
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2021-10-08 | CVE-2021-37973 | Use After Free vulnerability in multiple products Use after free in Portals in Google Chrome prior to 94.0.4606.61 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. | 9.6 |