Unverified indexs into the array lead to out of bound access in the gifoutcode function in fromgif.c in libsixel 1.8.6.
{ "versions": [ { "introduced": "0" }, { "last_affected": "1.8.6" } ] }
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-19668.json"