CVE-2026-19156

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{"bugzilla": {"description": "chromium-browser: Google Chrome: Heap buffer overflow allows heap corruption via malicious extension", "id": "2512310", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2512310"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-787", "details": ["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)", "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."], "name": "CVE-2026-19156", "public_date": "2026-08-06T20:33:49Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-19156\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-19156\nhttps://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_01193673229.html\nhttps://issues.chromium.org/issues/533331920"], "statement": "An Important heap buffer overflow flaw was found in the Base component of Chromium. This vulnerability requires a user to install a specially crafted malicious extension, which could then lead to heap corruption and potentially compromise the browser's integrity and availability. While user interaction is required, the potential for significant impact on affected systems warrants the Important severity.", "threat_severity": "Important"}

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