Bug 2543347 (CVE-2026-95311)

Summary: CVE-2026-95311 chromium-browser: chromium-browser: Arbitrary code execution outside sandbox via crafted HTML page
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
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. A remote attacker could execute arbitrary code outside the browser sandbox by convincing a user to open a crafted HTML page. This vulnerability occurs because the Fonts component improperly attempts to deallocate memory that was not dynamically allocated on the heap, leading to memory corruption.
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Description OSIDB Bzimport 2026-09-29 17:47:35 UTC
Free of non-heap memory in Fonts in Google Chrome prior to 154.0.8037.57 allowed a remote attacker leveraging social engineering to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)