An error within the "parse_minolta()" function (dcraw/dcraw.c) in LibRaw versions prior to 0.18.11 can be exploited to trigger an infinite loop via a specially crafted file.
https://usn.ubuntu.com/3838-1/
https://secuniaresearch.flexerasoftware.com/secunia_research/2018-13/
https://secuniaresearch.flexerasoftware.com/advisories/83050/
https://github.com/LibRaw/LibRaw/commit/e47384546b43d0fd536e933249047bc397a4d88b