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CVE-2024-27934
Date: March 6, 2024
Deno is a JavaScript, TypeScript, and WebAssembly runtime. Starting in version 1.36.2 and prior to version 1.40.3, use of inherently unsafe "*const c_void" and "ExternalPointer" leads to use-after-free access of the underlying structure, resulting in arbitrary code execution. Use of inherently unsafe "*const c_void" and "ExternalPointer" leads to use-after-free access of the underlying structure, which is exploitable by an attacker controlling the code executed inside a Deno runtime to obtain arbitrary code execution on the host machine regardless of permissions. This bug is known to be exploitable for both "*const c_void" and "ExternalPointer" implementations. Version 1.40.3 fixes this issue.
Severity Score
Severity Score
Weakness Type (CWE)
Use After Free
CWE-416CVSS v3.1
Base Score: |
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Attack Vector (AV): | LOCAL |
Attack Complexity (AC): | LOW |
Privileges Required (PR): | NONE |
User Interaction (UI): | NONE |
Scope (S): | UNCHANGED |
Confidentiality (C): | HIGH |
Integrity (I): | HIGH |
Availability (A): | HIGH |