CVE-2026-75904: Out-of-bounds Read

libmodplug through 0.8.9.1 contains an out-of-bounds read in patsmplooped in src/loadpat.cpp. The function validates only the upper bound of its sample index against MAXSMP and then subtracts one before indexing the 191-byte static array patloops, so an index of zero reads patloops-1, one byte...