Bug 2557004 (CVE-2026-113306)

Summary: CVE-2026-113306 chromium-browser: chromium-browser: Arbitrary code execution inside sandbox via crafted HTML page
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in Chromium's Network component. A remote attacker could exploit improper input validation by enticing a user to visit a specially crafted HTML page. Successful exploitation may allow the attacker to execute arbitrary code within the browser's sandbox, an isolated execution environment designed to contain untrusted processes.
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Bug Depends On: 2558579    
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Description OSIDB Bzimport 2026-10-20 22:59:57 UTC
Improper input validation in Network in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Low)