low3.7
CVE-2026-0989
A flaw was identified in the RelaxNG parser of libxml2 related to how external schema inclusions are handled.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Xmlsoft | Libxml2 | before 2.15.2 |
| Redhat | Hardened Images | All versions |
| Redhat | Jboss Core Services | All versions |
| Redhat | Openshift Container Platform | Version 4.0 |
| Redhat | Enterprise Linux | Versions 6.0, 7.0, 8.0, 9.0, 10.0 |
| Ibm | Vios | from 4.1.0 before 4.1.1.30 Version 4.1.2.0 |
| Ibm | Aix | from 7.2.5 before 7.2.5.12 from 7.3.2 before 7.3.3.3 Version 7.3.4 |