Wednesday, March 26, 2025

[USN-7373-1] Exim vulnerability

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==========================================================================
Ubuntu Security Notice USN-7373-1
March 26, 2025

exim4 vulnerability
==========================================================================

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

- Ubuntu 24.10
- Ubuntu 24.04 LTS

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 memory 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 24.10
exim4 4.98-1ubuntu2.1
exim4-base 4.98-1ubuntu2.1
eximon4 4.98-1ubuntu2.1

Ubuntu 24.04 LTS
exim4 4.97-4ubuntu4.3
exim4-base 4.97-4ubuntu4.3
eximon4 4.97-4ubuntu4.3

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

References:
https://ubuntu.com/security/notices/USN-7373-1
CVE-2025-30232

Package Information:
https://launchpad.net/ubuntu/+source/exim4/4.98-1ubuntu2.1
https://launchpad.net/ubuntu/+source/exim4/4.97-4ubuntu4.3

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