There is a NULL pointer dereference at function sixelhelpersetadditionalmessage (status.c) in libsixel 1.8.2 that will cause a denial of service.
{ "versions": [ { "introduced": "0" }, { "last_affected": "1.8.2" } ] }
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-19757.json"