There is a reachable assertion abort in the function jpc_dec_process_sot() in jpc/jpc_dec.c in JasPer 2.0.12 that will lead to a remote denial of service attack by triggering an unexpected jpc_ppmstabtostreams return value, a different vulnerability than CVE-2018-9154.
www.securityfocus.com/bid/100514
bugzilla.redhat.com/show_bug.cgi?id=1485274
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N4ALB4SXHURLVWKAOKYRNJXPABW3M22M/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UPOVZTSIQPW2H4AFLMI3LHJEZGBVEQET/
security.gentoo.org/glsa/201908-03
www.oracle.com/security-alerts/cpuapr2020.html
www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html