CVE-2021-37975: Google Chromium V8 Use-After-Free Vulnerability
Google Chromium V8 Engine contains a use-after-free vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.
| Vendor | |
|---|---|
| Product | Chromium V8 |
| Date added to KEV | 2021-11-03 |
| Due date (BOD 22-01) | 2021-11-17 |
| Known ransomware campaign use | Unknown |
| CWE | CWE-416 |
| Required action | Apply updates per vendor instructions. |
What to do
- Identify every instance of Google Chromium V8 in your environment (asset inventory, EDR, vulnerability scanner).
- Apply CISA's required action: Apply updates per vendor instructions.
- Federal civilian agencies must act by 2021-11-17 under BOD 22-01; other organizations can use the same date as a target.
- Check the vendor advisory and NVD entry linked below for affected versions, then record the fix in your change log.
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Sources
- NVD entry for CVE-2021-37975 (severity scores, if any, live there)
- CISA KEV catalog entry
- https://nvd.nist.gov/vuln/detail/CVE-2021-37975