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CVE-2026-58016

Glib: integer underflow in gio/gdbusintrospection.c via "g_dbus_node_info_new_for_xml"

publishedCWE-191

A flaw was found in GLib. A state confusion issue exists in g_dbus_node_info_new_for_xml() in the gio/gdbusintrospection.c file when processing malformed D-Bus introspection XML, specifically with a `node` element nested within other elements like `method`, `signal`, `property` or `arg`. This issue can cause an unsigned integer overflow and lead to an out-of-bounds read, resulting in a denial of service.

Technical severity7.5 highCVSS 3.1 · CNA: redhat
Published2026-06-30Source updated 2026-11-04
Collected2026-11-053 attributed sources

Fixes and workarounds

Workaround

To mitigate this vulnerability, implement input validation to sanitize untrusted D-Bus introspection XML, specifically rejecting malformed structures such as <node> elements improperly nested within <method>, <signal>, <property> or <arg> elements before calling g_dbus_node_info_new_for_xml(). Alternatively, restricting the application to only process XML input from trusted, authenticated sources will completely neutralize this issue.

Source: CNA: redhat

Affected products and versions

ProductVersionsAuthority
GLib
GNOME
GLib
https://gitlab.gnome.org/GNOME/glib/ 		≥ 0; < 2.89.0 (affected, semver)
Other versions: unaffected 		CNA: redhat
Red Hat Enterprise Linux 10
Red Hat
glib2
https://access.redhat.com/downloads/content/package-browser/ 		≥ 0:2.80.4-12.el10_2.14; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat Enterprise Linux 10.0 Extended Update Support
Red Hat
glib2
https://access.redhat.com/downloads/content/package-browser/ 		≥ 0:2.80.4-4.el10_0.10; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat Enterprise Linux 7 Extended Lifecycle Support
Red Hat
glib2
https://access.redhat.com/downloads/content/package-browser/ 		≥ 0:2.56.1-13.el7_9; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat Enterprise Linux 8
Red Hat
mingw-glib2
https://access.redhat.com/downloads/content/package-browser/ 		≥ 0:2.70.1-9.el8_10; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat Enterprise Linux 8
Red Hat
glib2
https://access.redhat.com/downloads/content/package-browser/ 		≥ 0:2.56.4-170.el8_10; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
Red Hat
glib2
https://access.redhat.com/downloads/content/package-browser/ 		≥ 0:2.56.4-10.el8_4.6; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
Red Hat
glib2
https://access.redhat.com/downloads/content/package-browser/ 		≥ 0:2.56.4-10.el8_4.6; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
Red Hat
glib2
https://access.redhat.com/downloads/content/package-browser/ 		≥ 0:2.56.4-158.el8_6.6; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On
Red Hat
glib2
https://access.redhat.com/downloads/content/package-browser/ 		≥ 0:2.56.4-158.el8_6.6; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat Enterprise Linux 8.8 Telecommunications Update Service
Red Hat
glib2
https://access.redhat.com/downloads/content/package-browser/ 		≥ 0:2.56.4-165.el8_8.1; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
Red Hat
glib2
https://access.redhat.com/downloads/content/package-browser/ 		≥ 0:2.56.4-165.el8_8.1; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat Enterprise Linux 9
Red Hat
glib2
https://access.redhat.com/downloads/content/package-browser/ 		≥ 0:2.68.4-19.el9_8.2; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
Red Hat
glib2
https://access.redhat.com/downloads/content/package-browser/ 		≥ 0:2.68.4-7.el9_2.6; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions
Red Hat
glib2
https://access.redhat.com/downloads/content/package-browser/ 		≥ 0:2.68.4-14.el9_4.7; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat Enterprise Linux 9.6 Extended Update Support
Red Hat
glib2
https://access.redhat.com/downloads/content/package-browser/ 		≥ 0:2.68.4-16.el9_6.6; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.17
Red Hat
cert-manager/jetstack-cert-manager-acmesolver-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1791371080; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.17
Red Hat
cert-manager/jetstack-cert-manager-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1791371069; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.17
Red Hat
cert-manager/cert-manager-operator-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1791788287; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.17
Red Hat
cert-manager/cert-manager-istio-csr-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1791378395; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.17
Red Hat
cert-manager/cert-manager-operator-bundle
https://catalog.redhat.com/software/containers/ 		≥ 1791970484; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.18
Red Hat
cert-manager/jetstack-cert-manager-acmesolver-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1791459707; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.18
Red Hat
cert-manager/jetstack-cert-manager-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1791459711; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.18
Red Hat
cert-manager/cert-manager-istio-csr-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1791459759; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.18
Red Hat
cert-manager/cert-manager-operator-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1789029076; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.18
Red Hat
cert-manager/cert-manager-operator-bundle
https://catalog.redhat.com/software/containers/ 		≥ 1791966259; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.20
Red Hat
cert-manager/jetstack-cert-manager-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1790223279; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.20
Red Hat
cert-manager/cert-manager-istio-csr-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1790223719; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.20
Red Hat
cert-manager/cert-manager-operator-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1790272426; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.20
Red Hat
cert-manager/jetstack-cert-manager-acmesolver-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1790589998; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.20
Red Hat
cert-manager/jetstack-cert-manager-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1790589912; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.20
Red Hat
cert-manager/cert-manager-istio-csr-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1790589914; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.20
Red Hat
cert-manager/cert-manager-operator-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1790589855; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.20
Red Hat
cert-manager/cert-manager-trust-manager-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1790598593; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat Discovery 2
Red Hat
discovery/discovery-server-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1784821670; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat Discovery 2
Red Hat
discovery/discovery-ui-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1784821750; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat Insights proxy 1.5
Red Hat
insights-proxy/insights-proxy-container-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1786433656; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat OpenShift AI 3.0
Red Hat
rhai/base-image-rocm-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1790276886; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat OpenShift AI 3.0
Red Hat
rhai/base-image-tpu-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1790276884; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat OpenShift AI 3.0
Red Hat
rhai/base-image-cpu-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1790277045; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat OpenShift AI 3.0
Red Hat
rhai/base-image-spyre-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1790276889; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat OpenShift AI 3.0
Red Hat
rhai/base-image-cuda-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1790276974; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat OpenShift AI 3.2
Red Hat
rhai/base-image-tpu-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1790703497; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat OpenShift AI 3.2
Red Hat
rhai/base-image-rocm-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1790703506; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat OpenShift AI 3.2
Red Hat
rhai/base-image-cpu-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1790703590; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat OpenShift AI 3.2
Red Hat
rhai/base-image-spyre-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1790703568; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat OpenShift AI 3.2
Red Hat
rhai/base-image-cuda-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1790703586; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat OpenShift AI 3.2
Red Hat
rhai/base-image-rocm-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1790703494; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat OpenShift AI 3.4
Red Hat
rhai/base-image-neuron-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1790703542; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat Update Infrastructure 5
Red Hat
rhui5/cds-kubernetes-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1784794818; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat Update Infrastructure 5
Red Hat
rhui5/cds-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1784794778; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat Update Infrastructure 5
Red Hat
rhui5/haproxy-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1784795112; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat Update Infrastructure 5
Red Hat
rhui5/installer-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1784794289; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat Update Infrastructure 5
Red Hat
rhui5/rhua-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1784795076; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat Update Infrastructure 5
Red Hat
rhui5/cds-kubernetes-tp-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1787241211; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat Update Infrastructure 5
Red Hat
rhui5/installer-tp-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1787135742; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat Update Infrastructure 5
Red Hat
rhui5/rhua-tp-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1787241260; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat Enterprise Linux 10
Red Hat
mingw-glib2
https://access.redhat.com/downloads/content/package-browser/ 		Range not reported
Other versions: affected 		CNA: redhat
Red Hat Enterprise Linux 6
Red Hat
glib2
https://access.redhat.com/downloads/content/package-browser/ 		Range not reported
Other versions: affected 		CNA: redhat
Red Hat Enterprise Linux 9
Red Hat
mingw-glib2
https://access.redhat.com/downloads/content/package-browser/ 		Range not reported
Other versions: affected 		CNA: redhat
Red Hat Hardened Images
Red Hat
glib2
https://access.redhat.com/downloads/content/package-browser/ 		Range not reported
Other versions: unaffected 		CNA: redhat

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

NVD applicability configurations (2)

These expressions retain AND/OR operators, negation, and required environmental products. A listed product is not sufficient to establish exposure when additional conditions apply.

[
  {
    "negate": false,
    "nodes": [
      {
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:gnome:glib:*:*:*:*:*:*:*:*",
            "versionEndExcluding": "2.89.0",
            "vulnerable": true
          }
        ],
        "negate": false,
        "operator": "OR"
      }
    ],
    "operator": "OR"
  },
  {
    "negate": false,
    "nodes": [
      {
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:redhat:cert-manager_operator:*:*:*:*:*:openshift:*:*",
            "versionEndExcluding": "1.18.2",
            "versionStartIncluding": "1.18.0",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:redhat:cert-manager_operator:1.17.0:*:*:*:*:openshift:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:redhat:cert-manager_operator:1.20.0:*:*:*:*:openshift:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:redhat:codeready_linux_builder:8.0:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:redhat:codeready_linux_builder:9.0:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:redhat:codeready_linux_builder:10.0:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:redhat:codeready_linux_builder_eus:9.6:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:redhat:codeready_linux_builder_eus:10.0:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:redhat:discovery:2.0:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:redhat:insights-proxy:1.5.0:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:redhat:openshift_ai:*:*:*:*:*:*:*:*",
            "versionEndExcluding": "3.0.3",
            "versionStartIncluding": "3.0",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:redhat:openshift_ai:*:*:*:*:*:*:*:*",
            "versionEndExcluding": "3.2.3",
            "versionStartIncluding": "3.2",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:redhat:openshift_ai:*:*:*:*:*:*:*:*",
            "versionEndExcluding": "3.4.3",
            "versionStartIncluding": "3.4",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:redhat:update_infrastructure:*:*:*:*:*:*:*:*",
            "versionEndExcluding": "5.2",
            "versionStartIncluding": "5.0",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:redhat:enterprise_linux_aus:8.4:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:redhat:enterprise_linux_aus:8.6:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:redhat:enterprise_linux_els:7.0:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:8.4:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:8.6:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:9.6:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:10.0:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:redhat:enterprise_linux_server_tus:8.8:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:redhat:enterprise_linux_update_services_for_sap_solutions:8.8:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:redhat:enterprise_linux_update_services_for_sap_solutions:9.2:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:redhat:enterprise_linux_update_services_for_sap_solutions:9.4:*:*:*:*:*:*:*",
            "vulnerable": true
          }
        ],
        "negate": false,
        "operator": "OR"
      }
    ],
    "operator": "OR"
  }
]

CVSS assessments

Version / scoreVectorAuthority
3.1 / 7.5
high		 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HCNA: redhat
3.1 / 9.1
critical		 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:HNVD: [email protected]
3.1 / 7.5
high		 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HNVD: [email protected]

Exploit evidence

References

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