CVE-2026-58016
GNOME GLib — Glib: integer underflow in gio/gdbusintrospection.c via "g_dbus_node_info_new_for_xml"
Description · from the CVE record
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.
Affected
ProductAffectedFixed inSource
GLib< 2.89.02.89.0CNA
Red Hat Enterprise Linux 10see advisory0:2.80.4-12.el10_2.14CNA
Red Hat Enterprise Linux 10.0 Extended Update Supportsee advisory0:2.80.4-4.el10_0.10CNA
Red Hat Enterprise Linux 7 Extended Lifecycle Supportsee advisory0:2.56.1-13.el7_9CNA
Red Hat Enterprise Linux 8see advisory0:2.70.1-9.el8_10CNA
Red Hat Enterprise Linux 8see advisory0:2.56.4-170.el8_10CNA
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Supportsee advisory0:2.56.4-10.el8_4.6CNA
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-Onsee advisory0:2.56.4-10.el8_4.6CNA
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Supportsee advisory0:2.56.4-158.el8_6.6CNA
Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-Onsee advisory0:2.56.4-158.el8_6.6CNA
Red Hat Enterprise Linux 8.8 Telecommunications Update Servicesee advisory0:2.56.4-165.el8_8.1CNA
Red Hat Enterprise Linux 8.8 Update Services for SAP Solutionssee advisory0:2.56.4-165.el8_8.1CNA
Scores by source
NVD9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
redhat (CNA)7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: partial