Bug 2571976 (CVE-2026-126906)

Summary: CVE-2026-126906 chromium-browser: chromium-browser: Information disclosure via race condition in Extensions
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in chromium-browser. A race condition in the Extensions subsystem allows a remote attacker who has compromised the renderer process to obtain sensitive information. By transmitting crafted network traffic, an attacker can exploit this timing flaw to access unauthorized data.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2572135, 2572136    
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Description OSIDB Bzimport 2026-11-11 22:52:53 UTC 
Race condition in Extensions in Google Chrome on on Mac prior to 157.0.8103.78 allowed a remote attacker who had compromised the renderer process to obtain sensitive information via crafted network traffic. (Chromium security severity: High)