Bug 2534927 (CVE-2026-91749)

Summary: CVE-2026-91749 chromium-browser: Chromium: Arbitrary Code Execution via Use-After-Free in Workers
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 chromium-browser. This vulnerability, a 'use-after-free' error, could allow a remote attacker to execute unauthorized code. By enticing a user to visit a specially crafted web page, the attacker could potentially bypass security measures and run arbitrary code outside the browser's protective sandbox.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2535921, 2535925    
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Description OSIDB Bzimport 2026-09-15 23:03:51 UTC
Use after free in Workers in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)