Glib: integer underflow in gio/gdbusintrospection.c via “g_dbus_node_info_new_for_xml”_CVE-2026-58016

7.5 / 10

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

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.

Basic Information

ID CVE-2026-58016

Source redhat

Published Jun 30, 2026 at 13:02

Affected Product

Vendor Red Hat

Product Red Hat Enterprise Linux 10

CWE Classification

CWE-191

References

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    "published": "2026-06-30T13:02:45.931Z",
    "modified": "2026-06-30T13:02:45.931Z",
    "type": "cve",
    "title": "Glib: integer underflow in gio/gdbusintrospection.c via \"g_dbus_node_info_new_for_xml\"",
    "source": "redhat",
    "references": "https://access.redhat.com/security/cve/CVE-2026-58016\nhttps://bugzilla.redhat.com/show_bug.cgi?id=2492257\nhttps://gitlab.gnome.org/GNOME/glib/-/issues/3932",
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