xmlParseBalancedChunkMemoryRecover in parser.c in libxml2 before 2.9.10 has a memory leak related to newDoc->oldNs.
{
"license": "CC-BY-4.0",
"sources": [
{
"id": "CVE-2019-19956",
"modified": "2026-06-17T02:27:30.643Z",
"url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2019-19956",
"imported": "2026-07-17T21:04:29.071Z",
"html_url": "https://nvd.nist.gov/vuln/detail/CVE-2019-19956",
"published": "2019-12-24T16:15:11.450Z",
"database_specific": {
"status": "Modified"
}
}
]
}