Buffer overflow in WebRTC in Google Chrome prior to 154.0.8037.97 allowed a remote attacker to execute arbitrary code inside the sandbox via a… (CVE-2026-103631)
A buffer overflow vulnerability exists in the WebRTC component of Google Chrome versions prior to 154.0.8037.97. This flaw allows a remote attacker to execute arbitrary code within the sandbox by delivering a crafted HTML page. The vulnerability is classified with high severity by Chromium security. No CVSS score is provided, and no known exploits in the wild have been reported.
AI Analysis
Technical Summary
CVE-2026-103631 is a buffer overflow vulnerability in the WebRTC implementation of Google Chrome before version 154.0.8037.97. Exploitation requires a remote attacker to serve a specially crafted HTML page that triggers the overflow, enabling arbitrary code execution inside the browser sandbox. This vulnerability is categorized under CWE-122 (Heap-based Buffer Overflow).
Potential Impact
Successful exploitation could allow remote code execution within the sandboxed environment of Google Chrome, potentially compromising the affected system's security boundaries. However, the sandbox limits the scope of impact to the browser context.
Mitigation Recommendations
A fix is available in Google Chrome version 154.0.8037.97. Users and administrators should update to this version or later to remediate the vulnerability. Since this is a client-side application, patching the browser is the primary mitigation.
Buffer overflow in WebRTC in Google Chrome prior to 154.0.8037.97 allowed a remote attacker to execute arbitrary code inside the sandbox via a… (CVE-2026-103631)
Description
A buffer overflow vulnerability exists in the WebRTC component of Google Chrome versions prior to 154.0.8037.97. This flaw allows a remote attacker to execute arbitrary code within the sandbox by delivering a crafted HTML page. The vulnerability is classified with high severity by Chromium security. No CVSS score is provided, and no known exploits in the wild have been reported.
Affected software
pkg:github/chromium/chromiumRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-103631 is a buffer overflow vulnerability in the WebRTC implementation of Google Chrome before version 154.0.8037.97. Exploitation requires a remote attacker to serve a specially crafted HTML page that triggers the overflow, enabling arbitrary code execution inside the browser sandbox. This vulnerability is categorized under CWE-122 (Heap-based Buffer Overflow).
Potential Impact
Successful exploitation could allow remote code execution within the sandboxed environment of Google Chrome, potentially compromising the affected system's security boundaries. However, the sandbox limits the scope of impact to the browser context.
Mitigation Recommendations
A fix is available in Google Chrome version 154.0.8037.97. Users and administrators should update to this version or later to remediate the vulnerability. Since this is a client-side application, patching the browser is the primary mitigation.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-cj2x-hj5c-4f82
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-103631"]
- State
- PUBLISHED
Threat ID: 6ac00d25a43b0b3b89fb1483
Added to database: 10/02/2026, 19:59:33 UTC
Last enriched: 10/02/2026, 20:02:56 UTC
Last updated: 10/03/2026, 04:01:50 UTC
Views: 7
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