Bug 2556612 (CVE-2026-113255)

Summary: CVE-2026-113255 chromium-browser: chromium-browser: Arbitrary code execution 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. A remote attacker could achieve arbitrary code execution within the browser's sandbox environment by convincing a user to open a specially crafted HTML page. This vulnerability is caused by a use-after-free memory error in the CustomTabs component.
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Description OSIDB Bzimport 2026-10-20 21:51:28 UTC
Use after free in CustomTabs in Google Chrome on on Android 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: Medium)