Bug 2571971 (CVE-2026-126892)

Summary: CVE-2026-126892 chromium-browser: chromium-browser: Arbitrary code execution via use-after-free in MediaStream
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 allows a remote attacker to achieve arbitrary code execution within the sandbox environment. The issue stems from a use-after-free error in the MediaStream component, which can be triggered when a user is convinced to open a specially crafted HTML page.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2572129, 2572130    
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Description OSIDB Bzimport 2026-11-11 22:52:36 UTC
Use after free in MediaStream 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: High)