gf2n.cpp in Crypto++ (aka cryptopp) through 8.9.0 allows attackers to cause a denial of service (application crash) via DER public-key data for an F(2^m) curve, if the degree of each term in the polynomial is not strictly decreasing.
{
"sources": [
{
"url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2023-50980",
"html_url": "https://nvd.nist.gov/vuln/detail/CVE-2023-50980",
"imported": "2026-08-12T15:10:36.576Z",
"database_specific": {
"status": "Modified"
},
"id": "CVE-2023-50980",
"published": "2023-12-18T04:15:51.067Z",
"modified": "2026-06-17T06:40:21.293Z"
}
],
"license": "CC-BY-4.0"
}