The OpenMPT/libopenmpt project released the latest stable libopenmpt version:

libopenmpt 0.3.8 (2018-04-08)

  • [Sec] Possible out-of-bounds memory read with IT and MO3 files containing many nested pattern loops (r10028).

  • Keep track of active SFx macro during seeking.
  • The “note cut” duplicate note action did not volume-ramp the previously playing sample.
  • A song starting with non-existing patterns could not be played.
  • DSM: Support restart position and 16-bit samples.
  • DTM: Import global volume.

The changelog for older versions can be found at https://lib.openmpt.org/doc/changelog.html .

Source code download links:

Documentation and binary downloads can be found at the libopenmpt website at https://lib.openmpt.org/libopenmpt/.


The OpenMPT/libopenmpt project also released an update to the old libopenmpt 0.2 stable branch:

libopenmpt 0.2.10049-beta31 (2018-04-08)

  • [Sec] Possible out-of-bounds memory read with IT / MO3 files containing pattern loops (r10029, r10030).

  • Keep track of active SFx macro during seeking.
  • The “note cut” duplicate note action did not volume-ramp the previously playing sample.
  • A song starting with non-existing patterns could not be played.

Source code download links:


The OpenMPT/libopenmpt project updated the following libopenmpt versions with security fixes:

libopenmpt-0.2.7561-beta20.5-p8 (2018-04-08)

  • r10041: [Sec] Out-of-bounds read (IT, MO3).

The following individual patches fix the mentioned issues (these patches must all be applied sequentially on top of the original libopenmpt-0.2.7561-beta20.5 source release):

libopenmpt-0.2.7386-beta20.3-p11 (2018-04-08)

  • r10042: [Sec] Out-of-bounds read (IT, MO3).

The following individual patches fix the mentioned issues (these patches must all be applied sequentially on top of the original libopenmpt-0.2.7386-beta20.3 source release):


The following libopenmpt versions are currently supported with security fixes by the OpenMPT/libopenmpt project:

  • 0.3.8
    • Current stable version.
    • Receives security updates.
    • Receives minor playback fixes.
  • 0.2.10049-beta31
    • Old stable version.
    • Receives security updates.
    • Receives trivial bug fixes.
  • 0.2.7561-beta20.5-p8
    • Older stable version which is supported on Unix-like systems only.
    • Receives only security fixes.
  • 0.2.7386-beta20.3-p11
    • Older stable version which is supported on Unix-like systems only.
    • Receives only security fixes.
  • 0.4 (SVN trunk)
    • development
    • security updates
    • playback fixes
    • new features
    • new file formats

Please update to the newest versions.