Nokogiri v1.18.3 upgrades its dependency libxml2 to v2.13.6.
libxml2 v2.13.6 addresses:
Stack-buffer overflow is possible when reporting DTD validation errors if the input contains a long (~3kb) QName prefix.
Use-after-free is possible during validation against untrusted XML Schemas (.xsd) and, potentially, validation of untrusted documents against trusted Schemas if they make use of xsd:keyref in combination with recursively defined types that have additional identity constraints.
{
"github_reviewed": true,
"github_reviewed_at": "2025-02-18T22:36:03Z",
"nvd_published_at": null,
"cwe_ids": [
"CWE-121",
"CWE-1395",
"CWE-416"
],
"severity": "LOW"
}