{"id":"CVE-2026-102497","published":"2026-09-29T12:17:09.837","lastModified":"2026-09-29T21:17:17.907","description":"The Apache XmlSchema walker (xmlschema-walker) doesn't detect cycles in type derivation, substitution groups, model groups or attribute groups. A malicious schema with such a cycle can make the walker recurse until the stack overflows, causing a denial of service.\n\nUsers are recommended to upgrade to version 2.3.3, which fixes this issue.","cvssScore":7.5,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwes":["CWE-674"],"vendors":[],"products":[],"references":[{"url":"https://lists.apache.org/thread/1cj02tobjyhjqq723bvg78yxkqt1lk7k","tags":[]},{"url":"http://www.openwall.com/lists/oss-security/2026/09/29/17","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}