When calling bson_utf8_validate on some inputs a loop with an exit condition that cannot be reached may occur, i.e. an infinite loop. This issue affects All MongoDB C Driver versions prior to versions 1.25.0.
{
"sources": [
{
"modified": "2026-06-17T05:25:33.043Z",
"database_specific": {
"status": "Modified"
},
"id": "CVE-2023-0437",
"html_url": "https://nvd.nist.gov/vuln/detail/CVE-2023-0437",
"url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2023-0437",
"imported": "2026-07-17T21:18:11.448Z",
"published": "2024-01-12T14:15:47.387Z"
}
],
"license": "CC-BY-4.0"
}