CVE-2021-38003: Google Chromium V8 Memory Corruption Vulnerability
Description
CVE-2021-38003 is a memory corruption vulnerability in the Google Chromium V8 JavaScript engine's JSON.stringify function. The flaw involves leaking an internal value called TheHole to script code, which can cause memory corruption. This vulnerability affects multiple Chromium-based web browsers including Google Chrome, Microsoft Edge, and Opera. It has been exploited in the wild, indicating active attacks leveraging this issue.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability CVE-2021-38003 exists in the Chromium V8 engine's implementation of JSON.stringify, where an internal value known as TheHole can be leaked to script code, resulting in memory corruption. This defect impacts various web browsers built on Chromium, such as Google Chrome, Microsoft Edge, and Opera. The vulnerability is known to have been exploited in the wild, underscoring its practical risk. No specific affected versions or patch information are provided in the available data.
Potential Impact
Successful exploitation of this vulnerability can lead to memory corruption within the affected browser's JavaScript engine. This may allow attackers to execute arbitrary code or cause denial of service conditions. The fact that it has been exploited in the wild confirms that attackers have leveraged this flaw against users of Chromium-based browsers.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Users and administrators should monitor official Google Chromium security advisories for updates and apply patches once available. Until a fix is applied, consider limiting exposure to untrusted web content or using browser security features to mitigate risk.
Threat ID: 6adc6f603fe894698b2dd9cf
Added to database: 10/24/2026, 08:42:08 UTC
Last enriched: 10/24/2026, 09:20:55 UTC
Last updated: 10/24/2026, 09:30:24 UTC
Views: 3
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