=========================================================================Ubuntu Security Notice USN-4141-1
September 28, 2019

exim4 vulnerability
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 19.04

Summary:

Exim could be made to crash or run programs if it received specially
crafted network traffic.

Software Description:
- exim4: Exim is a mail transport agent

Details:

It was discovered that Exim incorrectly handled certain string operations.
A remote attacker could use this issue to cause Exim to crash, resulting in
a denial of service, or possibly execute arbitrary code.

Update instructions:

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

Ubuntu 19.04:
  exim4-daemon-heavy              4.92-4ubuntu1.4
  exim4-daemon-light              4.92-4ubuntu1.4

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

References:
  https://ubuntu.com/security/notices/USN-4141-1
  CVE-2019-16928

Package Information:
  https://launchpad.net/ubuntu/+source/exim4/4.92-4ubuntu1.4

Ubuntu 4141-1: Exim vulnerability

September 28, 2019
Exim could be made to crash or run programs if it received specially crafted network traffic.

Summary

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 19.04: exim4-daemon-heavy 4.92-4ubuntu1.4 exim4-daemon-light 4.92-4ubuntu1.4 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-4141-1

CVE-2019-16928

Severity
September 28, 2019

Package Information

https://launchpad.net/ubuntu/+source/exim4/4.92-4ubuntu1.4

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