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Ubuntu Security Notice USN-6664-1
February 27, 2024

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

- Ubuntu 23.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS (Available with Ubuntu Pro)
- Ubuntu 16.04 LTS (Available with Ubuntu Pro)

Summary:

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

Update instructions:

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

Ubuntu 23.10:
  less                            590-2ubuntu0.23.10.1

Ubuntu 22.04 LTS:
  less                            590-1ubuntu0.22.04.2

Ubuntu 20.04 LTS:
  less                            551-1ubuntu0.2

Ubuntu 18.04 LTS (Available with Ubuntu Pro):
  less                            487-0.1ubuntu0.1~esm1

Ubuntu 16.04 LTS (Available with Ubuntu Pro):
  less                            481-2.1ubuntu0.2+esm1

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

References:
  https://ubuntu.com/security/notices/USN-6664-1
  CVE-2022-48624

Package Information:
  https://launchpad.net/ubuntu/+source/less/590-2ubuntu0.23.10.1
  https://launchpad.net/ubuntu/+source/less/590-1ubuntu0.22.04.2
  https://launchpad.net/ubuntu/+source/less/551-1ubuntu0.2

Ubuntu 6664-1: less vulnerability

February 27, 2024
less could be made to crash or run arbitrary commands if it receive a crafted input.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 23.10 - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS (Available with Ubuntu Pro) - Ubuntu 16.04 LTS (Available with Ubuntu Pro) Summary: less could be made to crash or run arbitrary commands if it receive a 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 crash or execute arbitrary commands.

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 23.10: less 590-2ubuntu0.23.10.1 Ubuntu 22.04 LTS: less 590-1ubuntu0.22.04.2 Ubuntu 20.04 LTS: less 551-1ubuntu0.2 Ubuntu 18.04 LTS (Available with Ubuntu Pro): less 487-0.1ubuntu0.1~esm1 Ubuntu 16.04 LTS (Available with Ubuntu Pro): less 481-2.1ubuntu0.2+esm1 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-6664-1

CVE-2022-48624

Severity
Ubuntu Security Notice USN-6664-1

Package Information

https://launchpad.net/ubuntu/+source/less/590-2ubuntu0.23.10.1 https://launchpad.net/ubuntu/+source/less/590-1ubuntu0.22.04.2 https://launchpad.net/ubuntu/+source/less/551-1ubuntu0.2

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