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USN-4913-1: Underscore vulnerability

14 April 2021

Underscore could be made to inject arbitrary code if it received a specially crafted input.



  • underscore - Javascript's functional programming helper library


It was discovered that Underscore incorrectly handled certain inputs.
An attacker could possibly use this issue to inject arbitrary code.

Update instructions

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

Ubuntu 20.10
Ubuntu 20.04
Ubuntu 18.04
Ubuntu 16.04
Ubuntu 14.04

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


Related notices

  • USN-4913-2: node-underscore, underscore, libjs-underscore