A flaw was identified in the RelaxNG parser of libxml2 related to how external schema inclusions are handled. The parser does not enforce a limit on inclusion depth when resolving nested <include> directives. Specially crafted or overly complex schemas can cause excessive recursion during parsing. This may lead to stack exhaustion and application crashes, creating a denial-of-service risk.
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Affected Vendors & Products
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History
Thu, 15 Jan 2026 17:15:00 +0000
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ssvc
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Thu, 15 Jan 2026 14:30:00 +0000
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| Description | A flaw was identified in the RelaxNG parser of libxml2 related to how external schema inclusions are handled. The parser does not enforce a limit on inclusion depth when resolving nested <include> directives. Specially crafted or overly complex schemas can cause excessive recursion during parsing. This may lead to stack exhaustion and application crashes, creating a denial-of-service risk. | |
| Title | Libxml2: unbounded relaxng include recursion leading to stack overflow | |
| First Time appeared |
Redhat
Redhat enterprise Linux Redhat jboss Core Services Redhat openshift |
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| Weaknesses | CWE-674 | |
| CPEs | cpe:/a:redhat:jboss_core_services:1 cpe:/a:redhat:openshift:4 cpe:/o:redhat:enterprise_linux:10 cpe:/o:redhat:enterprise_linux:6 cpe:/o:redhat:enterprise_linux:7 cpe:/o:redhat:enterprise_linux:8 cpe:/o:redhat:enterprise_linux:9 |
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| Vendors & Products |
Redhat
Redhat enterprise Linux Redhat jboss Core Services Redhat openshift |
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| References |
| |
| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2026-01-15T16:39:34.311Z
Reserved: 2026-01-15T12:38:51.419Z
Link: CVE-2026-0989
Updated: 2026-01-15T16:39:30.668Z
Status : Received
Published: 2026-01-15T15:15:52.350
Modified: 2026-01-15T15:15:52.350
Link: CVE-2026-0989
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