High RHSA-2026:51183 1 CVE

Red Hat Security Advisory: glib2 security update

Published Aug 7, 2026 · Updated Oct 15, 2026

Ecosystem: Red Hat

Fixed packages 7

Release	Package	Fixed in
Red Hat · RHEL 7 ELS rhel_els:7	glib2	0:2.56.1-13.el7_9
Red Hat · RHEL 7 ELS rhel_els:7	glib2-debuginfo	0:2.56.1-13.el7_9
Red Hat · RHEL 7 ELS rhel_els:7	glib2-devel	0:2.56.1-13.el7_9
Red Hat · RHEL 7 ELS rhel_els:7	glib2-doc	0:2.56.1-13.el7_9
Red Hat · RHEL 7 ELS rhel_els:7	glib2-fam	0:2.56.1-13.el7_9
Red Hat · RHEL 7 ELS rhel_els:7	glib2-static	0:2.56.1-13.el7_9
Red Hat · RHEL 7 ELS rhel_els:7	glib2-tests	0:2.56.1-13.el7_9

Vulnerabilities 1

High 7.5

CVE-2026-58016

Glib: integer underflow in gio/gdbusintrospection.c via "g_dbus_node_info_new_for_xml"

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`, `…

Red Hat GNOME Red Hat Enterprise Linux 9 Red Hat Enterprise Linux 8 Linux Debian Ubuntu Azure Linux Alpine

Jun 30, 2026

References

article
https://access.redhat.com/security/updates/classification/#important
report
https://bugzilla.redhat.com/show_bug.cgi?id=2492257
advisory
https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_51183.json
report
https://access.redhat.com/security/cve/CVE-2026-58016
advisory
https://www.cve.org/CVERecord?id=CVE-2026-58016
advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-58016
article
https://gitlab.gnome.org/GNOME/glib/-/issues/3932