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Affected Component
Analysis
libxml2
Exploitable
Name
CVE-2026-0990
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.
CWEs
Published Date
Updated Date
Workaround
-
Advisories
https://access.redhat.com/errata/RHSA-2026:7519Third Party Advisory
https://access.redhat.com/security/cve/CVE-2026-0990Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2429959Issue Tracking
Analysis#
Vulnerability Ratings#
5.9
CVSSv31
NaN
other