The ras_getcmap function in ras_dec.c in JasPer before 1.900.14 allows remote attackers to cause a denial of service (assertion failure) via a crafted image file.
https://usn.ubuntu.com/3693-1/
https://github.com/mdadams/jasper/commit/411a4068f8c464e883358bf403a3e25158863823
https://bugzilla.redhat.com/show_bug.cgi?id=1396962
https://blogs.gentoo.org/ago/2016/11/16/jasper-multiple-assertion-failure