An issue was discovered in libexpat before 2.6.3. dtdCopy in xmlparse.c can have an integer overflow for nDefaultAtts on 32-bit platforms (where UINTMAX equals SIZEMAX).
{
"sources": [
{
"modified": "2024-11-21T09:37:51.080Z",
"imported": "2025-10-10T21:54:56.862Z",
"id": "CVE-2024-45491",
"url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2024-45491",
"html_url": "https://nvd.nist.gov/vuln/detail/CVE-2024-45491",
"published": "2024-08-30T03:15:03.850Z"
}
],
"license": "CC-BY-4.0"
}