FKIE_CVE-2026-58016

Vulnerability from fkie_nvd - Published: 2026-06-30 13:19 - Updated: 2026-11-10 20:19
Summary
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.
References
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:42063Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:42089Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:42090Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:44481Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:46836Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:49512Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:51175Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:51176Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:51177Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:51181Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:51182Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:51183Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:51184Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:51185Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:53371Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:58981Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:72394Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:72395Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:72399Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:72470Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:72475Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:72476Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:72502Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:73909Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:73959Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:73960Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:73961Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:73962Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:74458Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:74459Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:74460Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:74461Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:74462Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:74463Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:74674Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:82304Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:82322Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:82336Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:82347Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:82354Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:82372Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:82857Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:82888Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:97163
secalert@redhat.comhttps://access.redhat.com/security/cve/CVE-2026-58016Vendor Advisory
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2492257Issue Tracking, Third Party Advisory
secalert@redhat.comhttps://gitlab.gnome.org/GNOME/glib/-/issues/3932Exploit, Issue Tracking, Third Party Advisory

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          "vendor": "Red Hat",
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      "value": "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."
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          "userInteraction": "NONE",
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}



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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON
How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

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    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.