SB2024030585 - Exposure of Resource to Wrong Sphere in Deno
Published: March 5, 2024 Updated: April 23, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Exposure of Resource to Wrong Sphere (CVE-ID: CVE-2024-27935)
The vulnerability allows a remote attacker to disclose sensitive information and cause data corruption.
The vulnerability exists due to improper isolation of a global buffer in stream_wrap.ts in Deno's Node.js compatibility runtime when performing simultaneous asynchronous reads from Node.js streams sourced from sockets or files. A remote attacker can trigger concurrent stream reads to disclose sensitive information and cause data corruption.
The issue does not affect network streams created with the Deno.listen and Deno.connect APIs.
Remediation
Install update from vendor's website.