Ubuntu Security Notices
USN-6664-1

USN-6664-1: less vulnerability

Publication date

27 February 2024

Overview

less could be made to crash or run arbitrary commands if it receive a crafted input.

Releases

23.10 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS

Packages

less - pager program similar to more

Details

It was discovered that less incorrectly handled certain file names.
An attacker could possibly use this issue to cause a crash or execute
arbitrary commands.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release	Package Version
23.10 mantic	less – 590-2ubuntu0.23.10.1
22.04 jammy	less – 590-1ubuntu0.22.04.2
20.04 focal	less – 551-1ubuntu0.2
18.04 bionic	less – 487-0.1ubuntu0.1~esm1
16.04 xenial	less – 481-2.1ubuntu0.2+esm1

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References

CVE-2022-48624

CVE-2022-48624