google chrome CVE-2021-30632 in Google and Fedora Project Products
Published on October 8, 2021

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Out of bounds write in V8 in Google Chrome prior to 93.0.4577.82 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Vendor Advisory Vendor Advisory NVD

Known Exploited Vulnerability

This Google Chrome Out-of-bounds write vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Google Chrome out-of-bounds write that allows to execute arbitrary code on the target system.

The following remediation steps are recommended / required by November 17, 2021: Apply updates per vendor instructions.

Vulnerability Analysis

CVE-2021-30632 is exploitable with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. It has an exploitability score of 2.8 out of four. The potential impact of an exploit of this vulnerability is considered to be very high.

What is a Memory Corruption Vulnerability?

The software writes data past the end, or before the beginning, of the intended buffer. Typically, this can result in corruption of data, a crash, or code execution. The software may modify an index or perform pointer arithmetic that references a memory location that is outside of the boundaries of the buffer. A subsequent write operation then produces undefined or unexpected results.

CVE-2021-30632 has been classified to as a Memory Corruption vulnerability or weakness.


Products Associated with CVE-2021-30632

You can be notified by stack.watch whenever vulnerabilities like CVE-2021-30632 are published in these products:

Google Chrome
 
Fedora Project Fedora
 

What versions are vulnerable to CVE-2021-30632?