CVE-2026-58016
Glib: integer underflow in gio/gdbusintrospection.c via "g_dbus_node_info_new_for_xml"
Description
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.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:NConfidentialityNone
I:NIntegrityNone
A:HAvailabilityHigh
Weaknesses
Affected Products
Red Hat
commercial·USaka redhat
GNOME
oss-project·USaka glib, gnome project
and 13 more affected products View all →
Exploitability
Workaround Available
Attack Graph
Products CVE Techniques Tactics
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MITRE ATT&CK
1 technique Initial Access
References
https://access.redhat.com/errata/RHSA-2026:42063
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:42089
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:42090
access.redhat.com
and 16 more references View all →
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