Linux Distros Unpatched Vulnerability : CVE-2026-54272

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

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  script_cve_id("CVE-2026-54272");

  script_name(english:"Linux Distros Unpatched Vulnerability : CVE-2026-54272");

  script_set_attribute(attribute:"synopsis", value:
"The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be
patched.");
  script_set_attribute(attribute:"description", value:
"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied
patch available.

  - ip-address is a library for parsing and manipulating IPv4 and IPv6 addresses in JavaScript. Versions
    10.1.1 through 10.2.0 are vulnerable to SSRF through misclassification of IPv4-mapped/NAT64 IPv6
    addresses. Address6.getType() classifies an address by matching it against a table of known IPv6 special-
    use prefixes, returning Global unicast when nothing matches. That table had no entry for the IPv4-mapped
    range (::ffff:0:0/96), so every mapped address fell through to Global unicast; NAT64 addresses matched
    their own NAT64  labels. The boolean checks isLoopback, isUnspecified, and isMulticast compared getType()
    against a fixed label and so returned false, while isLinkLocal and isULA checked only the native IPv6
    ranges. The library already exposed isMapped4() and to4(), but did not apply them inside these checks, so
    a mapped or NAT64 address was never normalized to its embedded IPv4 address before classification. For
    IPv4-mapped addresses the host OS routes to the IPv4 stack, so the misclassification is reachable on any
    dual-stack host. For NAT64, the classification bypass is unconditional but end-to-end reachability
    additionally requires a NAT64/DNS64 gateway in the deployment network.This issue has been fixed in version
    10.2.1. (CVE-2026-54272)

Note that Nessus relies on the presence of the package as reported by the vendor.");
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  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2026-54272");
  script_set_attribute(attribute:"see_also", value:"https://ubuntu.com/security/CVE-2026-54272");
  script_set_attribute(attribute:"solution", value:
"There is no known solution at this time.");
  script_set_attribute(attribute:"agent", value:"unix");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N");
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  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:U/RC:C");
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  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2026-54272");

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  script_set_attribute(attribute:"vendor_unpatched", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2026/07/27");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/07/28");

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if (!get_kb_item("global_settings/vendor_unpatched")) exit(0, "Unpatched Vulnerabilities Detection not active.");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (empty_or_null(get_one_kb_item("Host/CentOS/rpm-list")) && empty_or_null(get_one_kb_item("Host/Debian/dpkg-l")) && empty_or_null(get_one_kb_item("Host/RedHat/rpm-list"))) audit(AUDIT_PACKAGE_LIST_MISSING);

include('linux_unpatched.inc');

var distro_constraints_array = {
  "Debian Linux-14": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "14",
        "pkgs": [
          {"reference": "node-ip-address"}
        ]
      }
    ]
  },
  "Ubuntu Linux-20.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "20.04",
        "pkgs": [
          {"reference": "node-ip-address"}
        ]
      }
    ]
  },
  "Ubuntu Linux-22.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "22.04",
        "pkgs": [
          {"reference": "node-ip-address"}
        ]
      }
    ]
  },
  "Ubuntu Linux-24.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "24.04",
        "pkgs": [
          {"reference": "node-ip-address"}
        ]
      }
    ]
  },
  "Ubuntu Linux-26.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "26.04",
        "pkgs": [
          {"reference": "node-ip-address"}
        ]
      }
    ]
  },
  "Red Hat Enterprise Linux-10": {
    "package_manager": "rpm-list",
    "constraints": [
      {
        "release": "10",
        "pkgs": [
          {"reference": "cargo"},
          {"reference": "clippy"},
          {"reference": "nodejs"},
          {"reference": "nodejs-devel"},
          {"reference": "nodejs-docs"},
          {"reference": "nodejs-full-i18n"},
          {"reference": "nodejs-libs"},
          {"reference": "nodejs-npm"},
          {"reference": "nodejs22"},
          {"reference": "nodejs24"},
          {"reference": "nodejs24-devel"},
          {"reference": "nodejs24-docs"},
          {"reference": "nodejs24-full-i18n"},
          {"reference": "nodejs24-libs"},
          {"reference": "nodejs24-npm"},
          {"reference": "rust"},
          {"reference": "rust-analyzer"},
          {"reference": "rust-debugger-common"},
          {"reference": "rust-doc"},
          {"reference": "rust-gdb"},
          {"reference": "rust-lldb"},
          {"reference": "rust-src"},
          {"reference": "rust-std-static"},
          {"reference": "rust-std-static-aarch64-unknown-none-softfloat"},
          {"reference": "rust-std-static-wasm32-unknown-unknown"},
          {"reference": "rust-std-static-wasm32-wasip1"},
          {"reference": "rust-std-static-x86_64-unknown-none"},
          {"reference": "rust-toolset"},
          {"reference": "rust-toolset-srpm-macros"},
          {"reference": "rustfmt"}
        ]
      }
    ]
  },
  "CentOS Linux-8": {
    "package_manager": "rpm-list",
    "constraints": [
      {
        "release": "8",
        "pkgs": [
          {"reference": "nodejs"},
          {"reference": "nodejs-devel"},
          {"reference": "nodejs-docs"},
          {"reference": "nodejs-full-i18n"},
          {"reference": "nodejs-libs"},
          {"reference": "nodejs-nodemon"},
          {"reference": "nodejs-packaging"},
          {"reference": "nodejs-packaging-bundler"},
          {"reference": "npm"},
          {"reference": "v8-12.4-devel"},
          {"reference": "v8-13.6-devel"}
        ]
      }
    ]
  },
  "Red Hat Enterprise Linux-8": {
    "package_manager": "rpm-list",
    "constraints": [
      {
        "release": "8",
        "pkgs": [
          {"reference": "nodejs"},
          {"reference": "nodejs-devel"},
          {"reference": "nodejs-docs"},
          {"reference": "nodejs-full-i18n"},
          {"reference": "nodejs-libs"},
          {"reference": "nodejs-nodemon"},
          {"reference": "nodejs-packaging"},
          {"reference": "nodejs-packaging-bundler"},
          {"reference": "npm"},
          {"reference": "v8-12.4-devel"},
          {"reference": "v8-13.6-devel"}
        ]
      }
    ]
  },
  "Red Hat Enterprise Linux-9": {
    "package_manager": "rpm-list",
    "constraints": [
      {
        "release": "9",
        "pkgs": [
          {"reference": "cargo"},
          {"reference": "clippy"},
          {"reference": "nodejs"},
          {"reference": "nodejs-docs"},
          {"reference": "nodejs-full-i18n"},
          {"reference": "nodejs-libs"},
          {"reference": "npm"},
          {"reference": "rust"},
          {"reference": "rust-analysis"},
          {"reference": "rust-analyzer"},
          {"reference": "rust-debugger-common"},
          {"reference": "rust-doc"},
          {"reference": "rust-gdb"},
          {"reference": "rust-lldb"},
          {"reference": "rust-src"},
          {"reference": "rust-std-static"},
          {"reference": "rust-std-static-wasm32-unknown-unknown"},
          {"reference": "rust-std-static-wasm32-wasi"},
          {"reference": "rust-toolset"},
          {"reference": "rustfmt"}
        ]
      }
    ]
  }
};

var distro_constraints_values = linux_unpatched::get_distro_constraints(distro_constraints_arr:distro_constraints_array);
if (empty_or_null(distro_constraints_values)) audit(AUDIT_HOST_NOT, 'affected');

var third_party_support = get_kb_item('Host/OS/extended-third-party');
if (!empty_or_null(third_party_support)) {
    var third_party_vendors = distro_constraints_values['third_party'];
    if (!empty_or_null(third_party_vendors)) {
        var vendor;
        foreach vendor (third_party_vendors) {
            if (vendor == third_party_support) exit(0, 'A third party management patch is available for this vulnerability from ' + vendor + '.\n');
        }
    }
}

var report = linux_unpatched::check_unpatched_constraints(distro_constraints_values:distro_constraints_values);

if (!empty_or_null(report))
{
  security_report_v4(
      port       : 0,
      severity   : SECURITY_WARNING,
      extra      : report
  );
  exit(0);
}
else
{
  audit(AUDIT_HOST_NOT, 'affected');
}