Bug 2543408 (CVE-2026-95345)

Summary: CVE-2026-95345 chromium-browser: chromium-browser: arbitrary code execution via crafted HTML page
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 chromium-browser. This vulnerability allows a remote attacker to achieve arbitrary code execution inside the restricted sandbox environment by enticing a user to open a specially crafted HTML page. The issue is caused by a use-after-free condition in the Actor component, where memory is improperly accessed after being released, leading to memory corruption.
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Description OSIDB Bzimport 2026-09-29 17:59:11 UTC
Use after free in Actor in Google Chrome prior to 154.0.8037.57 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)