Arbitrary Code Execution Affecting deno package, versions >=1.18.0 <1.20.3



    Attack Complexity High
    Privileges Required High
    Scope Changed
    Confidentiality High
    Integrity High
    Availability High
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10 critical

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  • Snyk ID SNYK-RUST-DENO-2434275
  • published 27 Mar 2022
  • disclosed 27 Mar 2022
  • credit DjDeveloper, Aapo Alasuutari, Andreu Botella

How to fix?

Upgrade deno to version 1.20.3 or higher.


deno is an a simple, modern and secure runtime for JavaScript and TypeScript that uses V8 and is built in Rust.

Affected versions of this package are vulnerable to Arbitrary Code Execution. A malicious actor controlling the code executed in a Deno runtime could bypass all permission checks and execute arbitrary shell code.