soundlib/Load_stp.cpp in OpenMPT through 1.27.04.00, and libopenmpt before 0.3.6, has an out-of-bounds read via a malformed STP file.
Add your gear to cvedb and we'll alert you only when openmpt ships something exploited.
Check my exposure →This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.