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.
CVE-2026-58016
CVSS base score
7.5 (v3.1)
Severity
HIGH
Attack vector
Network
Weakness
CWE-191
Last modified
October 29, 2026
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
gnome glib
redhat cert-manager operator
redhat codeready linux builder
redhat codeready linux builder eus
redhat discovery
redhat insights-proxy
redhat openshift ai
redhat update infrastructure
redhat enterprise linux
redhat enterprise linux aus
References
- access.redhat.com Vendor Advisory
- access.redhat.com Vendor Advisory
- access.redhat.com Vendor Advisory
- access.redhat.com Vendor Advisory
- access.redhat.com Vendor Advisory
- access.redhat.com Vendor Advisory
- access.redhat.com Vendor Advisory
- access.redhat.com Vendor Advisory
- access.redhat.com Vendor Advisory
- access.redhat.com Vendor Advisory