Bug 2556658 (CVE-2026-113015)

Summary: CVE-2026-113015 chromium-browser: chromium-browser: arbitrary code execution in Workers 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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OS: Linux   
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A flaw was found in chromium-browser. Due to improper memory handling (a use-after-free condition) within the Workers component, a remote attacker can execute arbitrary code inside the browser's sandbox environment. To exploit this vulnerability, the attacker must convince a user to load a specially crafted HTML page.
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Description OSIDB Bzimport 2026-10-20 22:17:39 UTC
Use after free in Workers 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)