Lua 5.4.0 (fixed in 5.4.1) has a segmentation fault in changedline in ldebug.c (e.g., when called by luaG_traceexec) because it incorrectly expects that an oldpc value is always updated upon a return of the flow of control to a function.
{
"license": "CC-BY-4.0",
"sources": [
{
"published": "2020-07-24T21:15:34.553Z",
"html_url": "https://nvd.nist.gov/vuln/detail/CVE-2020-15945",
"url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2020-15945",
"database_specific": {
"status": "Modified"
},
"modified": "2025-02-19T15:15:10.830Z",
"id": "CVE-2020-15945",
"imported": "2026-05-26T02:05:09.624Z"
}
]
}