An issue was discovered in swftools through 20201222. A heap-buffer-overflow exists in the function swf_GetBits() located in rfxswf.c. It allows an attacker to cause code execution.
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-42204.json"
[ { "events": [ { "introduced": "0" }, { "last_affected": "2020-12-22" } ] } ]