CVE-2026-58016
Status: ModifiedCritical (9.1)—
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
- Version: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- Base score: 9.1
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 0.99%
- Percentile among all scored CVEs: 61
- Score date: 10/1/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (2)
CWEs
- CWE-191
References
- https://access.redhat.com/errata/RHSA-2026:42063
- https://access.redhat.com/errata/RHSA-2026:42089
- https://access.redhat.com/errata/RHSA-2026:42090
- https://access.redhat.com/errata/RHSA-2026:44481
- https://access.redhat.com/errata/RHSA-2026:46836
- https://access.redhat.com/errata/RHSA-2026:49512
- https://access.redhat.com/errata/RHSA-2026:51175
- https://access.redhat.com/errata/RHSA-2026:51176
- https://access.redhat.com/errata/RHSA-2026:51177
- https://access.redhat.com/errata/RHSA-2026:51181
- https://access.redhat.com/errata/RHSA-2026:51182
- https://access.redhat.com/errata/RHSA-2026:51183
- https://access.redhat.com/errata/RHSA-2026:51184
- https://access.redhat.com/errata/RHSA-2026:51185
- https://access.redhat.com/errata/RHSA-2026:53371
- https://access.redhat.com/errata/RHSA-2026:58981
- https://access.redhat.com/errata/RHSA-2026:72394
- https://access.redhat.com/errata/RHSA-2026:72395
- https://access.redhat.com/errata/RHSA-2026:72399
- https://access.redhat.com/errata/RHSA-2026:72470
- https://access.redhat.com/errata/RHSA-2026:72475
- https://access.redhat.com/errata/RHSA-2026:72476
- https://access.redhat.com/errata/RHSA-2026:72502
- https://access.redhat.com/errata/RHSA-2026:73909
- https://access.redhat.com/errata/RHSA-2026:73959
- https://access.redhat.com/errata/RHSA-2026:73960
- https://access.redhat.com/errata/RHSA-2026:73961
- https://access.redhat.com/errata/RHSA-2026:73962
- https://access.redhat.com/security/cve/CVE-2026-58016
- https://bugzilla.redhat.com/show_bug.cgi?id=2492257
- https://gitlab.gnome.org/GNOME/glib/-/issues/3932
Raw JSON (NVD)
Show
{
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],
"version": "2.0.3",
"timestamp": "2026-06-30T13:54:25.243451Z"
}
}
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