This update for libmspack fixes the following issues: Security issues fixed: - CVE-2019-1010305: Fixed a buffer overflow triggered by a crafted chm file which could have led to information disclosure . - CVE-2018-18584: The CAB block input buffer was one byte too small for the maximal Quantum block, leading to an out-of-bounds write. - CVE-2018-18585: chmd_read_headers accepted a filename that has "\0" as its first or second character . - Fix off-by-one bounds check on CHM PMGI/PMGL chunk numbers and reject empty filenames.