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USN-4123-1: npm/fstream vulnerability

5 September 2019

npm/fstream could be made to overwrite files.



  • 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
Ubuntu 18.04

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