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A node-css-what security update has been released for Debian GNU/Linux 10 LTS to address a regular expression denial of service (ReDoS) issue.

DLA 3350-1: node-css-what security update

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Debian LTS Advisory DLA-3350-1 Bastien Roucaries
March 03, 2023
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Package : node-css-what
Version : 2.1.0-1
CVE ID : CVE-2022-21222 CVE-2021-33587
Debian Bug : #1032188

node-css-what was vulnerable to Regular Expression Denial of Service
(ReDoS) due to the usage of insecure regular expression in the
re_attr variable.
The exploitation of this vulnerability could be triggered
via the parse function.

For Debian 10 buster, this problem has been fixed in version

We recommend that you upgrade your node-css-what packages.

For the detailed security status of node-css-what 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: