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CVE record · CVE-2026-0990

Libxml2: libxml2: denial of service via uncontrolled recursion in xml catalog processing

CVSS 5.9 MediumEPSS 0.0095 · 61st percentile

Published by the CVE Program (CNA: redhat) at 15 Jan 2026, 14:20 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Red Hat Red Hat Hardened Images Package name: libxml2-main https://catalog.redhat.com/software/containers/
  • unaffected 2.15.2-0.3.hum1 to before * rpm
Other versions: affected
Red Hat Red Hat Enterprise Linux 10 Package name: libxml2 https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: affected
Red Hat Red Hat Enterprise Linux 6 Package name: libxml2 https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: affected
Red Hat Red Hat Enterprise Linux 7 Package name: libxml2 https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: affected
Red Hat Red Hat Enterprise Linux 8 Package name: libxml2 https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: affected
Red Hat Red Hat Enterprise Linux 9 Package name: libxml2 https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: affected
Red Hat Red Hat JBoss Core Services Package name: libxml2 https://access.redhat.com/jbossnetwork/restricted/listSoftware.html No versions given Other versions: affected
Red Hat Red Hat OpenShift Container Platform 4 Package name: openshift/ose-rhel-coreos-8 https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: affected
Red Hat Red Hat OpenShift Container Platform 4 Package name: openshift/ose-rhel-coreos-9 https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: affected
Identifiers
CVE-2026-0990
CNA
redhat
Weakness (CWE)
CWE-674
Tags
Published
15 Jan 2026
Updated
5 Nov 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
5.9 Medium 3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CNA (redhat)
  • CISA KEV Not listed.
  • EPSS 0.0095, the 61st percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 15 Jan 2026, 14:20 UTC Confirmed by the CVE List
  2. 15 Jan 2026, 15:15 UTC Confirmed by NVD

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.