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Vulnerabilities CVE-2026-58016

CVE-2026-58016

High
Open
TLP:CLEAR

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

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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.

Details

CVSS Score
7.5
EPSS Score
0.55%

42.8th percentile

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Confidence
90%
Published
Jun 30, 2026
Last Modified
Aug 11, 2026
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