[USN-8206-1] OpenMPT vulnerability

[noreply+usn-bot at canonical.com]

==========================================================================
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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