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[USN-8206-1] OpenMPT vulnerability

Posted on 23 April 2026
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-8206-1
April 23, 2026

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

- Ubuntu 18.04 LTS

Summary:

OpenMPT could be made to crash if it received specially crafted input.

Software Description:
- libopenmpt: module music library based on OpenMPT

Details:

Antonio Morales Maldonado discovered that OpenMPT did not properly limit
the length of strings in certain cases, leading to a buffer overflow.
An attacker could possibly use this issue to cause OpenMPT to crash,
resulting in a denial of service.

Update instructions:

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

Ubuntu 18.04 LTS
libopenmpt-dev 0.3.6-1ubuntu0.1~esm2
Available with Ubuntu Pro
libopenmpt-modplug1 0.3.6-1ubuntu0.1~esm2
Available with Ubuntu Pro
libopenmpt0 0.3.6-1ubuntu0.1~esm2
Available with Ubuntu Pro
openmpt123 0.3.6-1ubuntu0.1~esm2
Available with Ubuntu Pro

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

References:
https://ubuntu.com/security/notices/USN-8206-1
CVE-2019-17113

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