{"id":"CVE-2026-102496","title":"Apache XmlSchema doesn't limit how deeply schema structures can be nested when it builds its schema model, so a malicious schema can make parsing recurse until the stack overflows","summary":"Apache XmlSchema doesn't limit how deeply schema structures can be nested when it builds its schema model, so a malicious schema can make parsing recurse until the stack overflows. This causes a denial of service.\nUsers are recommended t…","severity":"none","vendor":"Apache Software Foundation","product":"org.apache.ws.xmlschema:xmlschema-core","affected":["org.apache.ws.xmlschema:xmlschema-core < 2.3.3"],"published":"2026-09-29","updated":"2026-09-29","sourceUpdated":"2026-09-29T13:17:50.730","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-102496","references":[{"url":"https://lists.apache.org/thread/9z1vg8wmvwpfw748fb2nb55w4hgbnxol","label":"security@apache.org"},{"url":"http://www.openwall.com/lists/oss-security/2026/09/29/16","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-29T12:33:37.292Z","slug":"CVE-2026-102496","body":"## Overview\n\nApache XmlSchema doesn't limit how deeply schema structures can be nested when it builds its schema model, so a malicious schema can make parsing recurse until the stack overflows. This causes a denial of service.\nUsers are recommended to upgrade to version 2.3.3, which fixes this issue.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}