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    "aggregate_severity": {
      "text": "Critical"
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    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "TuxCare License Agreement",
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        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
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      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.",
        "title": "Terms of Use"
      },
      {
        "category": "details",
        "text": "* SECURITY UPDATE: Out-of-bounds read in the D-Bus introspection XML parser\n     - debian/patches/CVE-2026-58016.patch: fix the inverted <node> nesting\n       check in parser_start_element() in gio/gdbusintrospection.c, which\n       accepted a <node> element inside <method>/<signal>/<property>/<arg>\n       and left the parser reading X->pdata[X->len - 1] with len == 0\n     - CVE-2026-58016\n   * debian/rules: add arm to the qemu-buildd architecture list, raising\n     test_timeout_multiplier from 5 to 20 on armel. Debian builds armel on real\n     ARM hardware and so left it in the \"slow architecture\" tier, but this\n     platform builds it under emulation, where the +slow suite exceeds the\n     resulting 900s cap non-deterministically (gvariant 435s/262s/timeout,\n     642026 488s/501s/timeout across three runs of the same tree). No test is\n     skipped and no other architecture is affected: arm64 and amd64 do not\n     match the arm filter word.",
        "title": "Details"
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    "references": [
      {
        "category": "self",
        "summary": "https://cve.tuxcare.com/els/releases/CLSA-2026:1788819939",
        "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1788819939"
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        "summary": "Canonical URL",
        "url": "https://security.tuxcare.com/csaf/v2/els_os/debian11els/advisories/2026/clsa-2026_1788819939.json"
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      "current_release_date": "2026-09-07T22:26:38Z",
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        "date": "2026-09-07T22:26:38Z",
        "engine": {
          "name": "pyCSAF"
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      "id": "CLSA-2026:1788819939",
      "initial_release_date": "2026-09-07T22:26:38Z",
      "revision_history": [
        {
          "date": "2026-09-07T22:26:38Z",
          "number": "1",
          "summary": "Initial version"
        }
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      "status": "final",
      "version": "1"
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    "title": "Fix CVE(s): CVE-2026-58016"
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          "product_id": "Debian-11:libglib2.0-bin-0:2.66.8-1+deb11u8+tuxcare.els1.armel"
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        "relates_to_product_reference": "Debian-11"
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  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-58016",
      "cwe": {
        "id": "CWE-191",
        "name": "Integer Underflow (Wrap or Wraparound)"
      },
      "notes": [
        {
          "category": "description",
          "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"
        }
      ],
      "product_status": {
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          "Debian-11:libglib2.0-tests-0:2.66.8-1+deb11u8+tuxcare.els1.armel"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2026-58016"
        },
        {
          "category": "external",
          "summary": "https://access.redhat.com/errata/RHSA-2026:42063",
          "url": "https://access.redhat.com/errata/RHSA-2026:42063"
        },
        {
          "category": "external",
          "summary": "https://access.redhat.com/errata/RHSA-2026:42089",
          "url": "https://access.redhat.com/errata/RHSA-2026:42089"
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        {
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        {
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          "summary": "https://access.redhat.com/errata/RHSA-2026:44481",
          "url": "https://access.redhat.com/errata/RHSA-2026:44481"
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        {
          "category": "external",
          "summary": "https://access.redhat.com/errata/RHSA-2026:46836",
          "url": "https://access.redhat.com/errata/RHSA-2026:46836"
        },
        {
          "category": "external",
          "summary": "https://access.redhat.com/errata/RHSA-2026:49512",
          "url": "https://access.redhat.com/errata/RHSA-2026:49512"
        },
        {
          "category": "external",
          "summary": "https://access.redhat.com/errata/RHSA-2026:51175",
          "url": "https://access.redhat.com/errata/RHSA-2026:51175"
        },
        {
          "category": "external",
          "summary": "https://access.redhat.com/errata/RHSA-2026:51176",
          "url": "https://access.redhat.com/errata/RHSA-2026:51176"
        },
        {
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          "summary": "https://access.redhat.com/errata/RHSA-2026:51177",
          "url": "https://access.redhat.com/errata/RHSA-2026:51177"
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        {
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          "url": "https://access.redhat.com/errata/RHSA-2026:51181"
        },
        {
          "category": "external",
          "summary": "https://access.redhat.com/errata/RHSA-2026:51182",
          "url": "https://access.redhat.com/errata/RHSA-2026:51182"
        },
        {
          "category": "external",
          "summary": "https://access.redhat.com/errata/RHSA-2026:51183",
          "url": "https://access.redhat.com/errata/RHSA-2026:51183"
        },
        {
          "category": "external",
          "summary": "https://access.redhat.com/errata/RHSA-2026:51184",
          "url": "https://access.redhat.com/errata/RHSA-2026:51184"
        },
        {
          "category": "external",
          "summary": "https://access.redhat.com/errata/RHSA-2026:51185",
          "url": "https://access.redhat.com/errata/RHSA-2026:51185"
        },
        {
          "category": "external",
          "summary": "https://access.redhat.com/errata/RHSA-2026:53371",
          "url": "https://access.redhat.com/errata/RHSA-2026:53371"
        },
        {
          "category": "external",
          "summary": "https://access.redhat.com/errata/RHSA-2026:58981",
          "url": "https://access.redhat.com/errata/RHSA-2026:58981"
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        {
          "category": "external",
          "summary": "https://access.redhat.com/security/cve/CVE-2026-58016",
          "url": "https://access.redhat.com/security/cve/CVE-2026-58016"
        },
        {
          "category": "external",
          "summary": "https://bugzilla.redhat.com/show_bug.cgi?id=2492257",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492257"
        },
        {
          "category": "external",
          "summary": "https://gitlab.gnome.org/GNOME/glib/-/issues/3932",
          "url": "https://gitlab.gnome.org/GNOME/glib/-/issues/3932"
        }
      ],
      "release_date": "2026-06-30T13:19:00Z",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-07T22:25:41.075419Z",
          "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1788819939",
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      "threats": [
        {
          "category": "impact",
          "details": "Critical"
        }
      ]
    }
  ]
}