In libexpat before 2.7.4, the doContent function does not properly determine the buffer size bufSize because there is no integer overflow check for tag buffer reallocation.
{
"license": "CC-BY-4.0",
"sources": [
{
"database_specific": {
"status": "Analyzed"
},
"modified": "2026-03-10T18:17:12.780Z",
"id": "CVE-2026-25210",
"published": "2026-01-30T07:16:15.570Z",
"imported": "2026-04-30T20:01:46.891Z",
"html_url": "https://nvd.nist.gov/vuln/detail/CVE-2026-25210",
"url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-25210"
}
]
}