What the vulnerability does

01Description

The implementation of realpath in libuv < 10.22.1, < 12.18.4, and < 14.9.0 used within Node.js incorrectly determined the buffer size which can result in a buffer overflow if the resolved path is longer than 256 bytes.

Key dates

02Disclosure timeline

September 18, 2020 CVE published
April 30, 2025 Record updated