It was discovered that libmspack incorrectly handled certain malformed CHM files. A remote attacker could use this issue to cause libmspack to crash, resulting in a denial of service, or possibly execute arbitrary code (CVE-2017-6419).
It was discovered that libmspack incorrectly handled certain malformed CAB files. A remote attacker could use this issue to cause libmspack to crash, resulting in a denial of service (CVE-2017-11423).