USN-4123-1: npm/fstream vulnerability

5 September 2019

npm/fstream vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 19.04
  • Ubuntu 18.04 LTS


npm/fstream could be made to overwrite files.

Software Description

  • node-fstream - Advanced filesystem streaming tools for Node.js


It was discovered that npm/fstream incorrectly handled certain crafted tarballs. An attacker could use this vulnerability to write aritrary files to the filesystem.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 19.04
node-fstream - 1.0.10-1ubuntu0.19.04.2
Ubuntu 18.04 LTS
node-fstream - 1.0.10-1ubuntu0.18.04.1

To update your system, please follow these instructions:

In general, a standard system update will make all the necessary changes.