Bug 2556790 (CVE-2026-113215)

Summary: CVE-2026-113215 chromium-browser: Chromium: arbitrary code execution in Extensions via crafted HTML page
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedKeywords: Security
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OS: Linux   
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A flaw was found in Chromium's Extensions component. A remote attacker can exploit this vulnerability to achieve arbitrary code execution inside the browser sandbox by enticing a user to view a specially crafted HTML page. This issue occurs due to a use-after-free condition, where the application references memory that has already been deallocated.
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Description OSIDB Bzimport 2026-10-20 22:35:19 UTC
Use after free in Extensions in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Low)