Bug 2556504 (CVE-2026-113298)

Summary: CVE-2026-113298 chromium-browser: chromium-browser: Arbitrary code execution via use-after-free in Transactions Platform
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 the Transactions Platform component of Chromium. This vulnerability allows a remote attacker to execute arbitrary code within the browser sandbox. By persuading a user to visit a specially crafted HTML page, an attacker can trigger a use-after-free error, which occurs when memory is accessed after it has already been freed.
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Description OSIDB Bzimport 2026-10-20 21:29:37 UTC
Use after free in Transactions Platform 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: High)