Lua v5.4.3 and above are affected by SEGV by type confusion in funcnamefromcode function in ldebug.c which can cause a local denial of service.
{
"sources": [
{
"id": "CVE-2021-44647",
"database_specific": {
"status": "Modified"
},
"imported": "2026-05-26T02:05:11.352Z",
"modified": "2024-11-21T06:31:18.587Z",
"url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2021-44647",
"html_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-44647",
"published": "2022-01-11T13:15:07.833Z"
}
],
"license": "CC-BY-4.0"
}