An integer overflow error within the "parse_qt()" function (internal/dcraw_common.cpp) in LibRaw versions prior to 0.18.12 can be exploited to trigger an infinite loop via a specially crafted Apple QuickTime file.
https://usn.ubuntu.com/3838-1/
https://secuniaresearch.flexerasoftware.com/secunia_research/2018-14/
https://secuniaresearch.flexerasoftware.com/advisories/83507/
https://github.com/LibRaw/LibRaw/commit/1334647862b0c90b2e8cb2f668e66627d9517b17