Bug 2556649 (CVE-2026-113265)

Summary: CVE-2026-113265 chromium-browser: chromium-browser: Arbitrary code execution via crafted HTML page in BFCache
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-browser. A memory corruption vulnerability exists in the Back/Forward Cache (BFCache), a browser feature that accelerates page navigation. A remote attacker could exploit this flaw by convincing a user to open a crafted HTML page, potentially allowing arbitrary code execution within the browser's restricted sandbox environment.
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Bug Depends On: 2558579    
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Description OSIDB Bzimport 2026-10-20 22:15:59 UTC
Memory corruption in BFCache 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: Medium)