A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability.
{
"sources": [
{
"published": "2021-05-14T20:15:16.553Z",
"id": "CVE-2021-3537",
"html_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-3537",
"imported": "2025-10-28T18:09:07.775Z",
"url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2021-3537",
"modified": "2024-11-21T06:21:47.317Z"
}
],
"license": "CC-BY-4.0"
}