Bug 2512310 (CVE-2026-19156)

Summary: CVE-2026-19156 chromium-browser: Google Chrome: Heap buffer overflow allows heap corruption via malicious extension
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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Hardware: All   
OS: Linux   
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A flaw was found in Google Chrome's Base component. An attacker could convince a user to install a malicious extension, leading to a heap buffer overflow. This vulnerability allows for potential heap corruption, which could be exploited to impact the integrity and availability of the browser.
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Bug Depends On: 2514648, 2514649    
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Description OSIDB Bzimport 2026-08-06 22:28:47 UTC
Heap buffer overflow in Base in Google Chrome prior to 151.0.7922.109 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension. (Chromium security severity: High)