Stack-based buffer overflow in the ReadS3M method in load_s3m.cpp in libmodplug before 0.8.8.2 allows remote attackers to execute arbitrary code via a crafted S3M file.
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.