Bug 2505978 (CVE-2026-16422)

Summary: CVE-2026-16422 chromium-browser: Google Chrome: Domain spoofing via insufficient certificate validation
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 Google Chrome. Insufficient validation of untrusted input in the Certificate component allows an attacker in a privileged network position to perform domain spoofing. This can be achieved by sending malicious network traffic, leading to a user being misled about the authenticity of a website.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2507867, 2507868    
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Description OSIDB Bzimport 2026-07-21 23:03:50 UTC
Insufficient validation of untrusted input in Certificate in Google Chrome on Linux prior to 150.0.7871.182 allowed an attacker in a privileged network position to perform domain spoofing via malicious network traffic. (Chromium security severity: High)