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[USN-8079-1] less vulnerability

Posted on 06 March 2026
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-8079-1
March 05, 2026

less vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 14.04 LTS

Summary:

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

Software Description:
- 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 denial of service or
execute arbitrary commands.

Update instructions:

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

Ubuntu 14.04 LTS
less 458-2ubuntu0.1~esm2
Available with Ubuntu Pro

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

References:
https://ubuntu.com/security/notices/USN-8079-1
CVE-2022-48624

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