CVE-2019-17113: Openmpt Libopenmpt

Critical severity, CVSS 9.8. EPSS: 2.8% chance of exploitation in the next 30 days.

In libopenmpt before 0.3.19 and 0.4.x before 0.4.9, ModPlug_InstrumentName and ModPlug_SampleName in libopenmpt_modplug.c do not restrict the lengths of libmodplug output-buffer strings in the C API, leading to a buffer overflow.

Affected products

• Openmpt Libopenmpt: before 0.3.19 (fixed in 0.3.19); from 0.4.0, before 0.4.9 (fixed in 0.4.9)

Published 2019-10-04. Last modified 2026-06-17.