CVE-2021-38003: Google Chromium V8 Memory Corruption Vulnerability
Google Chromium V8 Engine has a bug in JSON.stringify, where the internal TheHole value can leak to script code, causing memory corruption. 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-122, CWE-755 |
| 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-2021-38003 (severity scores, if any, live there)
- CISA KEV catalog entry
- https://nvd.nist.gov/vuln/detail/CVE-2021-38003