CVE-2021-21166 vulnerability in Google and Other Products
Published on March 9, 2021
Known Exploited Vulnerability
This Google Chrome Heap Buffer Overflow in WebAudio Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Data race in audio in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
The following remediation steps are recommended / required by November 17, 2021: Apply updates per vendor instructions.
CVE-2021-21166 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 Buffer Overflow Vulnerability?
The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.
CVE-2021-21166 has been classified to as a Buffer Overflow vulnerability or weakness.
Products Associated with CVE-2021-21166
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What versions are vulnerable to CVE-2021-21166?
- Google Chrome Fixed in Version 89.0.4389.72
- Fedora Project Fedora Version 32
- Fedora Project Fedora Version 33
- Fedora Project Fedora Version 34
- Debian Linux Version 10.0