Live › vulnerability › CVE-2021-38003
Go to dashboardA bug in Chromium's V8 JavaScript engine lets the internal TheHole value leak into script code through JSON.stringify, which corrupts memory. An attacker who gets a page to run script can use that memory corruption to attempt code execution in the browser.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 3h before NVD. All times on this page are UTC.
Apply updates per vendor instructions.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| Google Chromium V8 | vendor | – | – |
Check the Chrome, Edge or Opera version in the browser's about page and compare it with the fixed release in the vendor advisory.
Update Chrome, Edge, Opera or other Chromium-based browsers to a release that includes the V8 fix, as CISA requires per vendor instructions.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
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.
CISA required action: Apply updates per vendor instructions.
This page as .md · .json · in your agent: get_signal("CVE-2021-38003")
CISA KEV catalog, Creative Commons 0 · EPSS scores by FIRST, used with attribution · NVD data is provided by NIST and is public domain. Posts quoted belong to their authors.