A vulnerability has been found in Google Chrome (Web Browser) and classified as critical. This vulnerability affects an unknown functionality of the component GPU. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Heap buffer overflow in GPU in Google Chrome prior to 107.0.5304.121 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

The weakness was presented 11/25/2022 by Clement Lecigne with Google (Website). The advisory is shared for download at chromereleases.googleblog.com. This vulnerability was named CVE-2022-4135 since 11/24/2022. Successful exploitation requires user interaction by the victim. Technical details are unknown but an exploit is available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 12/23/2022). It is expected to see the exploit prices for this product increasing in the near future.

It is declared as highly functional. This issue was added on 11/28/2022 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 12/19/2022:

Apply updates per vendor instructions.

Upgrading to version 107.0.5304.121 eliminates this vulnerability. The upgrade is hosted for download at chromereleases.googleblog.com.

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• Web Browser

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• Google

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• Chrome

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• free

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