The cabd_extract function in cabd.c in libmspack before 0.5 does not properly maintain decompression callbacks in certain cases where an invalid file follows a valid file, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted CAB archive.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2014-9538
https://bugs.debian.org/774665