What is CVE-2026-58016?

CVE-2026-58016 is a high-severity vulnerability in Gnome Glib, classified under Integer Underflow. CVSS score: 7.5/10. Published 2026-06-30.

How severe is CVE-2026-58016?

High severity. CVSS v3 base score is 7.5 out of 10.

Integer overflow in Gnome Glib

CVE-2026-58016

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 eleme…

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Gnome Glib — versions 0
Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 9
Red Hat Hardened Images

Weakness classification (CWE)

CWE-191 — Integer Underflow

References

secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
secalert@redhat.com (x_refsource_REDHAT, issue-tracking)
secalert@redhat.com

Frequently asked questions

What is CVE-2026-58016?: CVE-2026-58016 is a high-severity vulnerability in Gnome Glib, classified under Integer Underflow. CVSS score: 7.5/10. Published 2026-06-30.
How severe is CVE-2026-58016?: High severity. CVSS v3 base score is 7.5 out of 10.