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CVE Vulnerabilities

CVE-2026-58016

Integer Underflow (Wrap or Wraparound)

Published: Jun 30, 2026 | Modified: Aug 07, 2026
CVSS 3.x
9.1
CRITICAL
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
7.5 IMPORTANT
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-58016
CWEhttps://cwe.mitre.org/data/definitions/191.html

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.

Weakness

The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.

Affected Software

NameVendorStart VersionEnd Version
GlibGnome*2.88.1 (excluding)
Enterprise_linuxRedhat6.0 (including)6.0 (including)
Enterprise_linuxRedhat7.0 (including)7.0 (including)
Enterprise_linuxRedhat8.0 (including)8.0 (including)
Enterprise_linuxRedhat9.0 (including)9.0 (including)
Enterprise_linuxRedhat10.0 (including)10.0 (including)
Red Hat Enterprise Linux 10RedHatglib2-0:2.80.4-12.el10_2.14*
Red Hat Enterprise Linux 10.0 Extended Update SupportRedHatglib2-0:2.80.4-4.el10_0.10*
Red Hat Enterprise Linux 7 Extended Lifecycle SupportRedHatglib2-0:2.56.1-13.el7_9*
Red Hat Enterprise Linux 8RedHatmingw-glib2-0:2.70.1-9.el8_10*
Red Hat Enterprise Linux 8RedHatglib2-0:2.56.4-170.el8_10*
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRedHatglib2-0:2.56.4-10.el8_4.6*
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnRedHatglib2-0:2.56.4-10.el8_4.6*
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRedHatglib2-0:2.56.4-158.el8_6.6*
Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-OnRedHatglib2-0:2.56.4-158.el8_6.6*
Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceRedHatglib2-0:2.56.4-165.el8_8.1*
Red Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRedHatglib2-0:2.56.4-165.el8_8.1*
Red Hat Enterprise Linux 9RedHatglib2-0:2.68.4-19.el9_8.2*
Red Hat Enterprise Linux 9RedHatglib2-0:2.68.4-19.el9_8.2*
Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRedHatglib2-0:2.68.4-7.el9_2.6*
Red Hat Enterprise Linux 9.4 Update Services for SAP SolutionsRedHatglib2-0:2.68.4-14.el9_4.7*
Red Hat Enterprise Linux 9.6 Extended Update SupportRedHatglib2-0:2.68.4-16.el9_6.6*
Red Hat Discovery 2RedHatdiscovery/discovery-server-rhel9:1784821670*
Red Hat Discovery 2RedHatdiscovery/discovery-ui-rhel9:1784821750*
Red Hat Update Infrastructure 5RedHatrhui5/cds-kubernetes-rhel9:1784794818*
Red Hat Update Infrastructure 5RedHatrhui5/cds-rhel9:1784794778*
Red Hat Update Infrastructure 5RedHatrhui5/haproxy-rhel9:1784795112*
Red Hat Update Infrastructure 5RedHatrhui5/installer-rhel9:1784794289*
Red Hat Update Infrastructure 5RedHatrhui5/rhua-rhel9:1784795076*
Glib2.0Ubuntuquesting*

References

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