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      "text" : "An update for glib2 is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On.\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.",
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      "text" : "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.",
      "title" : "Vulnerability description"
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      "category" : "summary",
      "text" : "glib: integer underflow in gio/gdbusintrospection.c via \"g_dbus_node_info_new_for_xml\"",
      "title" : "Vulnerability summary"
    }, {
      "category" : "other",
      "text" : "Any applications processing D-Bus introspection XML input from untrusted sources with g_dbus_node_info_new_for_xml() are vulnerable to this issue. In GLib itself, the gdbus command line tool is the primary vector for local exploitation. However, other applications using the vulnerable function may process untrusted input in a way that allows a remote attacker to trigger this flaw. This vulnerability can cause an unsigned integer overflow and lead to an out-of-bounds read, resulting in a denial of service. As this vulnerability allows a remote attacker to cause a denial of service, it has been rated with an important severity.",
      "title" : "Statement"
    }, {
      "category" : "general",
      "text" : "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
      "title" : "CVSS score applicability"
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      "summary" : "https://gitlab.gnome.org/GNOME/glib/-/issues/3932",
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    "release_date" : "2026-04-08T00:00:00+00:00",
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      "date" : "2026-08-06T18:18:18+00:00",
      "details" : "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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        "category" : "none"
      },
      "url" : "https://access.redhat.com/errata/RHSA-2026:51181"
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      "category" : "workaround",
      "details" : "To mitigate this vulnerability, implement input validation to sanitize untrusted D-Bus introspection XML, specifically rejecting malformed structures such as <node> elements improperly nested within <method>, <signal>, <property> or <arg> elements before calling g_dbus_node_info_new_for_xml(). Alternatively, restricting the application to only process XML input from trusted, authenticated sources will completely neutralize this issue.",
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    "scores" : [ {
      "cvss_v3" : {
        "attackComplexity" : "LOW",
        "attackVector" : "NETWORK",
        "availabilityImpact" : "HIGH",
        "baseScore" : 7.5,
        "baseSeverity" : "HIGH",
        "confidentialityImpact" : "NONE",
        "integrityImpact" : "NONE",
        "privilegesRequired" : "NONE",
        "scope" : "UNCHANGED",
        "userInteraction" : "NONE",
        "vectorString" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
        "version" : "3.1"
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    "threats" : [ {
      "category" : "impact",
      "details" : "Important"
    } ],
    "title" : "glib: integer underflow in gio/gdbusintrospection.c via \"g_dbus_node_info_new_for_xml\""
  } ]
}