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.
Users are recommended to upgrade to version 2.3.3, which fixes this issue.
Metrics
Affected Vendors & Products
References
History
Tue, 06 Oct 2026 14:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | cpe:2.3:a:apache:xmlschema:*:*:*:*:*:*:*:* |
Wed, 30 Sep 2026 21:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Apache
Apache xmlschema |
|
| Vendors & Products |
Apache
Apache xmlschema |
Wed, 30 Sep 2026 04:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-119 |
Wed, 30 Sep 2026 00:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-770 | |
| References |
| |
| Metrics |
threat_severity
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threat_severity
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Tue, 29 Sep 2026 21:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
cvssV3_1
|
Tue, 29 Sep 2026 17:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-119 CWE-674 |
Tue, 29 Sep 2026 13:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. Users are recommended to upgrade to version 2.3.3, which fixes this issue. | |
| Title | Apache XMLSchema: Denial of service through deeply nested schema structures | |
| References |
|
Status: PUBLISHED
Assigner: apache
Published: 2026-09-29T11:34:04.111Z
Updated: 2026-09-29T20:12:07.164Z
Reserved: 2026-09-29T10:39:29.739Z
Link: CVE-2026-102496
Updated: 2026-09-29T12:11:26.753Z
Status : Analyzed
Published: 2026-09-29T12:17:09.727
Modified: 2026-10-06T14:38:42.693
Link: CVE-2026-102496