Bug 2530415 (CVE-2026-87639)

Summary: CVE-2026-87639 chromium-browser: Chromium: Arbitrary code execution via use-after-free in WebPackaging
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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OS: Linux   
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A flaw was found in WebPackaging in Google Chrome. A remote attacker, after compromising the renderer process, could exploit a use-after-free vulnerability by crafting a malicious HTML page. This could potentially allow the attacker to execute arbitrary code outside of the browser's security sandbox.
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Description OSIDB Bzimport 2026-09-09 01:13:01 UTC
Use after free in WebPackaging in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)