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.
This vulnerability carries a LOW severity rating with a CVSS v3.1 score of 3.7, indicating it can be exploited remotely over the network but requires specific conditions to be met without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts and limited availability for affected systems. Impacting 7 products from xmlsoft, from redhat, from redhat and 4 others, organizations running these solutions should prioritize assessment and patching.
Reported in 2026, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.
2026-01-15T15:15:52.350
2026-09-01T13:18:07.230
Analyzed
CVSSv3.1: 3.7 (LOW)
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Application | xmlsoft | libxml2 | < 2.15.2 | Yes |
| Application | redhat | hardened_images | - | Yes |
| Application | redhat | jboss_core_services | - | Yes |
| Application | redhat | openshift_container_platform | 4.0 | Yes |
| Operating System | redhat | enterprise_linux | 6.0 | Yes |
| Operating System | redhat | enterprise_linux | 7.0 | Yes |
| Operating System | redhat | enterprise_linux | 8.0 | Yes |
| Operating System | redhat | enterprise_linux | 9.0 | Yes |
| Operating System | redhat | enterprise_linux | 10.0 | Yes |
| Application | ibm | vios | < 4.1.1.30 | Yes |
| Application | ibm | vios | 4.1.2.0 | Yes |
| Operating System | ibm | aix | < 7.2.5.12 | Yes |
| Operating System | ibm | aix | < 7.3.3.3 | Yes |
| Operating System | ibm | aix | 7.3.4 | Yes |
SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For xmlsoft's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.