Updated jasper packages fix security vulnerabilities:
The jpcfloorlog2 function in jpcmath.c in JasPer before 1.900.17 allows remote attackers to cause a denial of service (assertion failure) via unspecified vectors (CVE-2016-9398).
A denial of service in jp2_decode (CVE-2018-19542).
A denial of service in jasimagereadcmpt (CVE-2018-19539).