Off-by-one error in the lzxd_decompress function in lzxd.c in libmspack before 0.5 allows remote attackers to cause a denial of service (buffer under-read and application crash) via a crafted CAB archive.
https://github.com/kyz/libmspack/commit/18b6a2cc0b87536015bedd4f7763e6b02d5aa4f3