libraw -- multiple DoS vulnerabilities

Secunia Research reports:

CVE-2018-5800: An off-by-one error within the “LibRaw::kodak_ycbcr_load_raw()”
function (internal/dcraw_common.cpp) can be exploited to cause a heap-based
buffer overflow and subsequently cause a crash.
CVE-2017-5801: An error within the “LibRaw::unpack()” function
(src/libraw_cxx.cpp) can be exploited to trigger a NULL pointer dereference.
CVE-2017-5802: An error within the “kodak_radc_load_raw()” function
(internal/dcraw_common.cpp) related to the “buf” variable can be exploited
to cause an out-of-bounds read memory access and subsequently cause a crash.