Bug 2534920 (CVE-2026-91715)

Summary: CVE-2026-91715 chromium-browser: chromium-browser: Type confusion in ServiceWorker
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 type confusion flaw was found in the ServiceWorker component of the Chromium browser. Upstream bug(s): https://code.google.com/p/chromium/issues/detail?id=558367547
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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 23:03:25 UTC
Type confusion in ServiceWorker in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)