Bug 2571960 (CVE-2026-126911)

Summary: CVE-2026-126911 chromium-browser: Use after free in Accessibility
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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An use after free flaw was found in the Accessibility component of the Chromium browser. Upstream bug(s): https://issues.chromium.org/issues/580921803
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2572109, 2572110    
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Description OSIDB Bzimport 2026-11-11 22:52:01 UTC
Use after free in Accessibility in Google Chrome prior to 157.0.8103.78 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Critical)