In BlueZ 5.42, a buffer overflow was observed in commands_dump function in tools/parser/csr.c source file. The issue exists because commands array is overflowed by supplied parameter due to lack of boundary checks on size of the buffer from frame frm->ptr parameter. This issue can be triggered by processing a corrupted dump file and will result in hcidump crash. http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-9804