November 3, 2021 · Applied Cybernetics Group
CVE-2021-38003 — Google Chromium V8
Google Chromium V8 Memory Corruption Vulnerability
- Added to KEV
2021-11-03- Federal due date
2021-11-17- Vendor
- Product
- Chromium V8
- EPSS
- 98.4th percentile (score 0.633, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2021-38003
CISA short description
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.
Required action
Apply updates per vendor instructions.