CVE-2021-21166
- State
- Published
- Severity
- 8.8 High
- Published
- Mar 9, 2021
- Updated
- Oct 21, 2025
- Reserved
- Dec 21, 2020
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | CISA-ADP |
Weaknesses
- CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Affected Products
| Product | Versions |
|---|---|
ChromeGoogle |
|
References
- https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.html
- https://crbug.com/1177465
- FEDORA-2021-c88a96bd4bvendor-advisory
- FEDORA-2021-4740239e28vendor-advisory
- FEDORA-2021-78547312f2vendor-advisory
- DSA-4886vendor-advisory
- GLSA-202104-08vendor-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21166government-resource
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