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High 7.5Published Jun 30, 2026
CVE-2026-58016Glib: integer underflow in gio/gdbusintrospection.c via "g_dbus_node_info_new_for_xml"
Updated under an hour ago ()
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It affects GNOME GLib and 14 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-191
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- redhat
- NVD analysis
- Modified
- Record last updated
- Oct 14, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
GNOME GLib gnome:glib (from the name) | before 2.89.0 | CNA record |
Red Hat Red Hat Enterprise Linux 10 redhat:enterprise_linux | from 0:2.80.4-12.el10_2.14 not affected | CNA record |
Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support redhat:enterprise_linux_eus | from 0:2.80.4-4.el10_0.10 not affected | CNA record |
from 0:2.56.1-13.el7_9 not affected | CNA record | |
from 0:2.56.4-10.el8_4.6 not affected | CNA record | |
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support redhat:rhel_eus_long_life | from 0:2.56.4-10.el8_4.6 not affected | CNA record |
from 0:2.56.4-165.el8_8.1 not affected | CNA record | |
from 0:2.56.4-165.el8_8.1 not affected | CNA record | |
Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support redhat:rhel_eus | from 0:2.68.4-16.el9_6.6 not affected | CNA record |
Red Hat Cert Manager support for Red Hat OpenShift release 1.17 redhat:cert_manager | from 1791371080 not affected | CNA record |
Red Hat Red Hat Discovery 2 redhat:discovery | from 1784821670 not affected | CNA record |
Red Hat Red Hat Insights proxy 1.5 redhat:insights_proxy | from 1786433656 not affected | CNA record |
Red Hat Red Hat OpenShift AI 3.0 redhat:openshift_ai | from 1790276886 not affected | CNA record |
Red Hat Red Hat Update Infrastructure 5 redhat:rhui | from 1784794818 not affected | CNA record |
Red Hat Red Hat Hardened Images redhat:hummingbird | 1 | CNA record |
gnome glib gnome:glib | before 2.88.1 | NVD |
redhat enterprise_linux redhat:enterprise_linux | 6.0; 7.0; 8.0; 9.0; 10.0 | NVD |
References
- https://access.redhat.com/errata/RHSA-2026:42063vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:42089vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:42090vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:44481vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:46836vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:49512vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:51175vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:51176vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:51177vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:51181vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:51182vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:51183vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:51184vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:51185vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:53371vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:58981vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:72394vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:72395vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:72399vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:72470vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:72475vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:72476vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:72502vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:73909vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:73959vendor-advisory, x-refsource-redhat
The CVE record on cve.org NVD's entry
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