Use After Free in libxml2's xmlParseInternalSubset from GNOME libxml2 version 2.9.11 to 2.11.0 allows a remote attacker to cause a denial-of-service via maliciously crafted XML input with improper entity resolution handling.
{
"license": "CC-BY-4.0",
"sources": [
{
"database_specific": {
"status": "Analyzed"
},
"html_url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6653",
"id": "CVE-2026-6653",
"imported": "2026-08-09T06:30:35.887Z",
"modified": "2026-07-14T16:00:16.047Z",
"published": "2026-06-22T14:17:51.113Z",
"url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-6653"
}
]
}