Google has released an emergency update to patch a high-severity vulnerability in its Chrome web browser that is already being exploited in the wild.
The zero-day is described as an insufficient data validation issue impacting Mojo, a Chrome component consisting of a collection of runtime libraries facilitating messaging across inter- and intra-process boundaries.
Tracked as CVE-2022-3075, the high-severity security bug was reported by an anonymous researcher. Google has yet to determine the bug bounty reward to be handed out for the report.
In its advisory, the internet giant warns that an exploit targeting this vulnerability already exists publicly, but it does not provide additional information on any observed exploitation attempts.
“Google is aware of reports that an exploit for CVE-2022-3075 exists in the wild,” the company said.
The security hole was addressed with the release of Chrome version 105.0.5195.102, which is now rolling out to Windows, Mac, and Linux users. This is the only vulnerability resolved with this browser update.
CVE-2022-3075 is the sixth Chrome zero-day that Google has patched so far in 2022 and the third to be resolved over the past two months.
The fifth Chrome zero-day of 2022 was resolved in mid-August, while the fourth was addressed in early July.
Tracked as CVE-2022-2294 and described as a heap buffer overflow in WebRTC, the July zero-day has been linked to targeted attacks attributed to an Israel-based spyware vendor named Candiru.
Related: Chrome 105 Patches Critical, High-Severity Vulnerabilities
Related: Chrome Bug Allows Webpages to Replace Clipboard Contents
Related: 1.4M Users Install Chrome Extensions That Inject Code Into eCommerce Sites
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