CVE-2020-6430: 
Node.js vulnerability analysis and mitigation

CVE-2020-6430 is a Type Confusion vulnerability discovered in V8 component of Google Chrome prior to version 81.0.4044.92. The vulnerability was reported by Avihay Cohen from SeraphicAlgorithms on December 6, 2019, and was publicly disclosed on April 7, 2020. This vulnerability affected Google Chrome browser and its derivatives (Chrome Release).

The vulnerability is classified as a Type Confusion issue in the V8 JavaScript engine that could potentially lead to heap corruption when triggered via a crafted HTML page. It received a CVSS v3.1 Base Score of 8.8 (High) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H, indicating it can be exploited remotely with low attack complexity but requires user interaction (NVD).

The vulnerability could allow a remote attacker to potentially exploit heap corruption through a specially crafted HTML page, which could lead to arbitrary code execution within the context of the browser. The high CVSS score indicates potential severe impacts on confidentiality, integrity, and availability of the affected system (NVD).

The vulnerability was patched in Google Chrome version 81.0.4044.92. Users and administrators are advised to upgrade to this version or later. The fix was also implemented in various Chrome-based browsers and Linux distributions including Debian, Ubuntu, and Fedora (Debian Advisory, Fedora Update).