CVSS 3.1 Score 8.4 of 10 (high)


Published Mar 21, 2024
CWE ID 416


CVE-2024-27934 is a cyber vulnerability affecting Deno, a JavaScript, TypeScript, and WebAssembly runtime. The vulnerability exists in versions 1.36.2 to 1.40.3 and is caused by the use of inherently unsafe *const c_void and ExternalPointer, which can lead to use-after-free access of the underlying structure. This allows an attacker controlling the code executed inside a Deno runtime to achieve arbitrary code execution on the host machine, regardless of permissions. The issue has a base severity rating of HIGH and poses a potential danger to organizations as it can result in unauthorized code execution. The vulnerability is remediated in version 1.40.3 of Deno.

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