A stack-use-after-scope issue discovered in expandmmacparams function in preproc.c in nasm before 2.15.04 allows remote attackers to cause a denial of service via crafted asm file.
{
"license": "CC-BY-4.0",
"sources": [
{
"database_specific": {
"status": "Modified"
},
"modified": "2024-11-21T05:12:48.323Z",
"id": "CVE-2020-21686",
"published": "2023-08-22T19:16:14.327Z",
"imported": "2026-04-27T13:24:12.314Z",
"html_url": "https://nvd.nist.gov/vuln/detail/CVE-2020-21686",
"url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2020-21686"
}
]
}