Apache XMLSchema: Denial of service through cyclic schema definitions in the schema walker
Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.
cve-program · CVE-2026-102497
PublishedThe 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. Users are recommended to upgrade to version 2.3.3, which fixes this issue.
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cve-program · CVE-2026-102497
PublishedApache XMLSchema: Denial of service through cyclic schema definitions in the schema walker
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. Users are recommended to upgrade to version 2.3.3, which fixes this issue.
- Source published
- 29 Sep 2026 11:34:17 UTC
- Source modified
- 29 Sep 2026 20:13:56 UTC
- Saved here
- 23 Oct 2026 15:48:27 UTC
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