Cross-Session Data Contamination Vulnerability Affects Deno Versions 1.35.1-1.36.3

CVE-2024-27935

What is CVE-2024-27935?

A vulnerability has been identified in the Deno runtime, specifically affecting its Node.js compatibility layer. This issue results from the reuse of a global buffer during asynchronous read operations from Node.js streams, which can lead to cross-session data contamination. In situations where multiple sessions are accessing streams, data intended for one session may inadvertently be accessed by another. This vulnerability particularly impacts all users employing the Deno runtime for network communications or working with streams that may indirectly utilize Node.js libraries. Users are advised to update to version 1.36.3 or later, where this issue has been resolved.

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