Debian Security Advisory

DLA-3428-1 node-nth-check -- LTS security update

Date Reported:
20 May 2023
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2021-3803.
More information:

node-nth-check, is a NodeJS module module used to parse and compile nth-checks, as they are found in CSS 3's nth-child() and nth-last-of-type() functions.

This module was vulnerable to a regular expression denial of service used for parsing.

For Debian 10 buster, this problem has been fixed in version 1.0.1-1+deb10u1.

We recommend that you upgrade your node-nth-check packages.

For the detailed security status of node-nth-check please refer to its security tracker page at:

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: