CVE-2026-0990
Published: Jan 15, 2026
Modified: Apr 22, 2026
CVSS v3.1
5.9
Description
A flaw was found in libxml2, an XML parsing library. This uncontrolled recursion vulnerability occurs in the xmlCatalogXMLResolveURI function when an XML catalog contains a delegate URI entry that references itself. A remote attacker could exploit this configuration-dependent issue by providing a specially crafted XML catalog, leading to infinite recursion and call stack exhaustion. This ultimately results in a segmentation fault, causing a Denial of Service (DoS) by crashing affected applications.
| Vendor | Product | Versions |
|---|---|---|
Red Hat | Red Hat Hardened Images | unaffected 2.15.2-0.3.hum1 - < * |
Red Hat | Red Hat Enterprise Linux 10 | All versions |
Red Hat | Red Hat Enterprise Linux 6 | All versions |
Red Hat | Red Hat Enterprise Linux 7 | All versions |
Red Hat | Red Hat Enterprise Linux 8 | All versions |
Red Hat | Red Hat Enterprise Linux 9 | All versions |
Red Hat | Red Hat JBoss Core Services | All versions |
Red Hat | Red Hat OpenShift Container Platform 4 | All versions |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
References
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