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.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
None
No data modification
Availability
High
Complete denial of service
CVSS Vector v3.1
Weakness Type (CWE)
Vulnerable Products 6
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Gnome Glib
cpe:2.3:a:gnome:glib:*:*:*:*:*:*:*:*
|
— |
2.88.1
|
|
Redhat Enterprise_Linux
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
|
— | — |
|
Redhat Enterprise_Linux
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
|
— | — |
|
Redhat Enterprise_Linux
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
|
— | — |
|
Redhat Enterprise_Linux
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
|
— | — |
|
Redhat Enterprise_Linux
cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*
|
— | — |
References 19
https://access.redhat.com/errata/RHSA-2026:42063
secalert@redhat.com
https://access.redhat.com/errata/RHSA-2026:42089
secalert@redhat.com
https://access.redhat.com/errata/RHSA-2026:42090
secalert@redhat.com
https://access.redhat.com/errata/RHSA-2026:44481
secalert@redhat.com
https://access.redhat.com/security/cve/CVE-2026-58016
secalert@redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2492257
secalert@redhat.com
https://gitlab.gnome.org/GNOME/glib/-/issues/3932
secalert@redhat.com
https://access.redhat.com/errata/RHSA-2026:46836
secalert@redhat.com
https://access.redhat.com/errata/RHSA-2026:49512
RHSA-2026:49512
https://access.redhat.com/errata/RHSA-2026:51175
secalert@redhat.com
https://access.redhat.com/errata/RHSA-2026:51176
secalert@redhat.com
https://access.redhat.com/errata/RHSA-2026:51177
secalert@redhat.com
https://access.redhat.com/errata/RHSA-2026:51181
secalert@redhat.com
https://access.redhat.com/errata/RHSA-2026:51182
secalert@redhat.com
https://access.redhat.com/errata/RHSA-2026:51183
secalert@redhat.com
https://access.redhat.com/errata/RHSA-2026:51184
secalert@redhat.com
https://access.redhat.com/errata/RHSA-2026:51185
secalert@redhat.com
https://access.redhat.com/errata/RHSA-2026:53371
secalert@redhat.com
https://access.redhat.com/errata/RHSA-2026:58981
secalert@redhat.com