Bug 2530431 (CVE-2026-87491)

Summary: CVE-2026-87491 chromium-browser: Chromium-browser: Arbitrary code execution via out-of-bounds write in V8
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. A remote attacker could exploit an out-of-bounds write vulnerability in the V8 JavaScript engine by crafting a malicious HTML page. This could allow the attacker to execute arbitrary code within the browser's sandbox environment.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2542199, 2542200    
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Description OSIDB Bzimport 2026-09-09 01:14:12 UTC
Out of bounds write in V8 in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)