Bug 2523966 (CVE-2026-78934)

Summary: CVE-2026-78934 chromium-browser: Google Chrome: Arbitrary code execution in ReadAloud due to race condition
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 Google Chrome's ReadAloud component. A race condition vulnerability allows a remote attacker, by leveraging social engineering and a crafted HTML page, to execute arbitrary code within the browser's sandbox. This could lead to unauthorized access or control over the affected system.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2524890, 2524891    
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Description OSIDB Bzimport 2026-08-25 20:52:42 UTC
Race condition in ReadAloud in Google Chrome prior to 152.0.7977.65 allowed a remote attacker leveraging social engineering to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)