The updated packages fix security vulnerabilities:
An out-of-bounds read flaw exists in parsefileinfo in archivereadsupportformatiso9660.c in libarchive 3.3.2 when extracting a specially crafted iso9660 iso file, related to archivereadformatiso9660read_header (CVE-2017-14501).
libarchive 3.3.2 suffers from an out-of-bounds read within lhareaddatanone() in archivereadsupportformatlha.c when extracting a specially crafted lha archive, related to lhacrc16 (CVE-2017-14503).