libexpat through 2.5.0 allows a denial of service (resource consumption) because many full reparsings are required in the case of a large token for which multiple buffer fills are needed.
{
"sources": [
{
"imported": "2026-04-30T20:01:45.923Z",
"modified": "2025-11-04T19:16:22.740Z",
"html_url": "https://nvd.nist.gov/vuln/detail/CVE-2023-52425",
"database_specific": {
"status": "Modified"
},
"id": "CVE-2023-52425",
"published": "2024-02-04T20:15:46.063Z",
"url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2023-52425"
}
],
"license": "CC-BY-4.0"
}