A trim-newlines security update has been released for Ubuntu Linux 18.04 LTS and 20.04 LTS.

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Ubuntu Security Notice USN-5999-1
April 05, 2023

node-trim-newlines vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

A security issue was fixed in trim-newlines.

Software Description:
- node-trim-newlines: Trim newlines from the start and/or end of a string

Details:

It was discovered that trim-newlines incorrectly handled certain inputs. If a
user or an automated system were tricked into opening a specially crafted
input file, a remote attacker could possibly use this issue to cause a
denial of service. (CVE-2021-33623)

Update instructions:

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

Ubuntu 20.04 LTS:
node-trim-newlines 1.0.0-1ubuntu0.20.04.1

Ubuntu 18.04 LTS:
node-trim-newlines 1.0.0-1ubuntu0.18.04.1

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

References:
https://ubuntu.com/security/notices/USN-5999-1
CVE-2021-33623

Package Information:

https://launchpad.net/ubuntu/+source/node-trim-newlines/1.0.0-1ubuntu0.20.04.1

https://launchpad.net/ubuntu/+source/node-trim-newlines/1.0.0-1ubuntu0.18.04.1