Bug 2523989 (CVE-2026-78938)

Summary: CVE-2026-78938 chromium-browser: Chromium V8: Arbitrary Code Execution via Type Confusion
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 the V8 JavaScript engine used in Chromium-based browsers. This type confusion vulnerability allows a remote attacker to execute unauthorized code within the browser's security sandbox by tricking a user into visiting a specially crafted web page. This could lead to a compromise of the user's system.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2524890, 2524891    
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Description OSIDB Bzimport 2026-08-25 20:54:18 UTC
Type confusion in V8 in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)