{"id":"AZL-64127","summary":"CVE-2025-49794 affecting package libxml2 for versions less than 2.11.5-6","details":"A use-after-free vulnerability was found in libxml2. This issue occurs when parsing XPath elements under certain circumstances when the XML schematron has the \u003csch:name path=\"...\"/\u003e schema elements. This flaw allows a malicious actor to craft a malicious XML document used as input for libxml, resulting in the program's crash using libxml or other possible undefined behaviors.","modified":"2026-04-01T05:20:48.949789Z","published":"2025-06-16T16:15:18Z","upstream":["CVE-2025-49794"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-49794"}],"affected":[{"package":{"name":"libxml2","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/libxml2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.11.5-6"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-64127.json"}}],"schema_version":"1.7.5"}