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=========================================================================Ubuntu Security Notice USN-5583-1
August 29, 2022

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

- Ubuntu 18.04 LTS

Summary:

systemd could be made to crash or run programs if it received specially
crafted DNS request.

Software Description:
- systemd: system and service manager

Details:

It was discovered that systemd incorrectly handled certain DNS requests,
which leads to user-after-free vulnerability. An attacker could possibly use
this issue to cause a crash or execute arbitrary code. (CVE-2022-2526)

Update instructions:

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

Ubuntu 18.04 LTS:
  systemd                         237-3ubuntu10.54

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

References:
  https://ubuntu.com/security/notices/USN-5583-1
  CVE-2022-2526

Package Information:
  https://launchpad.net/ubuntu/+source/systemd/237-3ubuntu10.54

Ubuntu 5583-1: systemd vulnerability

August 30, 2022
systemd could be made to crash or run programs if it received specially crafted DNS request.

Summary

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 18.04 LTS: systemd 237-3ubuntu10.54 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-5583-1

CVE-2022-2526

Severity
August 29, 2022

Package Information

https://launchpad.net/ubuntu/+source/systemd/237-3ubuntu10.54

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