readheader in archivereadsupportformatrar.c in libarchive 3.3.2 suffers from an off-by-one error for UTF-16 names in RAR archives, leading to an out-of-bounds read in archivereadformatrarreadheader (CVE-2017-14502).
Multiple security issues were found in libarchive: Processing malformed RAR archives could result in denial of service or the execution of arbitrary code and malformed WARC, LHarc, ISO, Xar or CAB archives could result in denial of service (CVE-2018-1000877, CVE-2018-1000878, CVE-2018-1000879, CVE-2018-1000880).