soundlib/Load_psm.cpp in OpenMPT through 1.26.12.00 and libopenmpt before 0.2.8461-beta26 has a heap buffer overflow with the potential for arbitrary code execution via a crafted PSM File that triggers use of the same sample slot for two samples.
https://source.openmpt.org/browse/openmpt/trunk/?rev=6800
https://source.openmpt.org/browse/openmpt/branches/OpenMPT-1.26/?op=revision&rev=8438
https://bugs.debian.org/867579
https://lib.openmpt.org/libopenmpt/md_announce-2017-07-07.html
Source: Mitre, NVD
Published: 2017-07-17
Updated: 2026-06-17
Base Score: 6.8
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P
Severity: Medium
Base Score: 7.8
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Severity: High
EPSS: 0.01224