Answer in brief
CVE-2026-58016 records a High severity (CVSS 7.5) vulnerability in Glib: integer underflow in gio/gdbusintrospection.c via "g_dbus_node_info_new_for_xml". The current sources do not mark it as known exploited. The current feed maps GNOME/GLib (generic), Red Hat/glib2 (generic), Red Hat/mingw-glib2 (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps GNOME/GLib (generic), Red Hat/glib2 (generic), Red Hat/mingw-glib2 (generic). Check affected ranges and fixed versions before updating.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:a:gnome:glib:*:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:a:redhat:cert-manager_operator:1.17.0:*:*:*:*:openshift:*:* | Not reported | Not reported |
| cpe:2.3:a:redhat:cert-manager_operator:1.20.0:*:*:*:*:openshift:*:* | Not reported | Not reported |
| cpe:2.3:a:redhat:cert-manager_operator:*:*:*:*:*:openshift:*:* | Not reported | Not reported |
| cpe:2.3:a:redhat:codeready_linux_builder:10.0:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:a:redhat:codeready_linux_builder:8.0:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:a:redhat:codeready_linux_builder:9.0:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:a:redhat:codeready_linux_builder_eus:10.0:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:a:redhat:codeready_linux_builder_eus:9.6:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:a:redhat:discovery:2.0:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:a:redhat:insights-proxy:1.5.0:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:a:redhat:openshift_ai:*:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:a:redhat:update_infrastructure:*:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:redhat:enterprise_linux_aus:8.4:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:redhat:enterprise_linux_aus:8.6:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:redhat:enterprise_linux_els:7.0:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:redhat:enterprise_linux_eus:10.0:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:redhat:enterprise_linux_eus:8.4:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:redhat:enterprise_linux_eus:8.6:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:redhat:enterprise_linux_eus:9.6:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:redhat:enterprise_linux_server_tus:8.8:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:redhat:enterprise_linux_update_services_for_sap_solutions:8.8:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:redhat:enterprise_linux_update_services_for_sap_solutions:9.2:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:redhat:enterprise_linux_update_services_for_sap_solutions:9.4:*:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| GNOME/GLibgeneric | >=0 <2.89.0 | 2.89.0 |
| Red Hat/glib2generic | * | Not reported |
| Red Hat/mingw-glib2generic | * | Not reported |
Published upstream
Jun 30, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Nov 4, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jun 30, 2026
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.
Quoted source text, attributed separately from HOL analysis.