Linux Distros Unpatched Vulnerability : CVE-2026-51298

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

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  script_name(english:"Linux Distros Unpatched Vulnerability : CVE-2026-51298");

  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.

  - sqlite 3.41 is vulnerable to use after free in the JSON extraction function. After releasing JsonParse
    object memory via jsonParseFree(), the program still accesses internal member of the freed pointer, which
    can cause service crash and denial of service. (CVE-2026-51298)

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://ubuntu.com/security/CVE-2026-51298");
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  script_set_attribute(attribute:"agent", value:"unix");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P");
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  script_set_attribute(attribute:"vuln_publication_date", value:"2026/07/27");
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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 = {
  "Ubuntu Linux-14.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "14.04",
        "pkgs": [
          {"reference": "lemon"},
          {"reference": "libsqlite3-0"},
          {"reference": "libsqlite3-0-dbg"},
          {"reference": "libsqlite3-dev"},
          {"reference": "libsqlite3-tcl"},
          {"reference": "sqlite"},
          {"reference": "sqlite3"},
          {"reference": "sqlite3-doc"}
        ]
      }
    ]
  },
  "Ubuntu Linux-16.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "16.04",
        "pkgs": [
          {"reference": "lemon"},
          {"reference": "libsqlite3-0"},
          {"reference": "libsqlite3-0-dbg"},
          {"reference": "libsqlite3-dev"},
          {"reference": "libsqlite3-tcl"},
          {"reference": "sqlite"},
          {"reference": "sqlite3"},
          {"reference": "sqlite3-doc"}
        ]
      }
    ]
  },
  "Ubuntu Linux-18.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "18.04",
        "pkgs": [
          {"reference": "lemon"},
          {"reference": "libsqlite3-0"},
          {"reference": "libsqlite3-dev"},
          {"reference": "libsqlite3-tcl"},
          {"reference": "sqlite"},
          {"reference": "sqlite3"},
          {"reference": "sqlite3-doc"}
        ]
      }
    ]
  },
  "Ubuntu Linux-20.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "20.04",
        "pkgs": [
          {"reference": "lemon"},
          {"reference": "libsqlite3-0"},
          {"reference": "libsqlite3-dev"},
          {"reference": "libsqlite3-tcl"},
          {"reference": "sqlite"},
          {"reference": "sqlite3"},
          {"reference": "sqlite3-doc"}
        ]
      }
    ]
  },
  "Ubuntu Linux-22.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "22.04",
        "pkgs": [
          {"reference": "lemon"},
          {"reference": "libsqlite3-0"},
          {"reference": "libsqlite3-dev"},
          {"reference": "libsqlite3-tcl"},
          {"reference": "sqlite"},
          {"reference": "sqlite3"},
          {"reference": "sqlite3-doc"},
          {"reference": "sqlite3-tools"}
        ]
      }
    ]
  },
  "Ubuntu Linux-24.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "24.04",
        "pkgs": [
          {"reference": "lemon"},
          {"reference": "libsqlite3-0"},
          {"reference": "libsqlite3-dev"},
          {"reference": "libsqlite3-tcl"},
          {"reference": "sqlite3"},
          {"reference": "sqlite3-doc"},
          {"reference": "sqlite3-tools"}
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      }
    ]
  },
  "Ubuntu Linux-26.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "26.04",
        "pkgs": [
          {"reference": "lemon"},
          {"reference": "libsqlite3-0"},
          {"reference": "libsqlite3-dev"},
          {"reference": "libsqlite3-ext-csv"},
          {"reference": "libsqlite3-ext-icu"},
          {"reference": "libsqlite3-tcl"},
          {"reference": "sqlite3"},
          {"reference": "sqlite3-doc"},
          {"reference": "sqlite3-tools"}
        ]
      }
    ]
  },
  "Red Hat Enterprise Linux-10": {
    "package_manager": "rpm-list",
    "constraints": [
      {
        "release": "10",
        "pkgs": [
          {"reference": "sqlite"},
          {"reference": "sqlite-devel"},
          {"reference": "sqlite-libs"}
        ]
      }
    ]
  },
  "CentOS Linux-7": {
    "package_manager": "rpm-list",
    "constraints": [
      {
        "release": "7",
        "pkgs": [
          {"reference": "lemon"},
          {"reference": "sqlite"},
          {"reference": "sqlite-devel"},
          {"reference": "sqlite-doc"},
          {"reference": "sqlite-tcl"}
        ]
      }
    ]
  },
  "Red Hat Enterprise Linux-6": {
    "package_manager": "rpm-list",
    "constraints": [
      {
        "release": "6",
        "pkgs": [
          {"reference": "lemon"},
          {"reference": "sqlite"},
          {"reference": "sqlite-devel"},
          {"reference": "sqlite-doc"},
          {"reference": "sqlite-tcl"}
        ]
      }
    ]
  },
  "Red Hat Enterprise Linux-7": {
    "package_manager": "rpm-list",
    "constraints": [
      {
        "release": "7",
        "pkgs": [
          {"reference": "lemon"},
          {"reference": "sqlite"},
          {"reference": "sqlite-devel"},
          {"reference": "sqlite-doc"},
          {"reference": "sqlite-tcl"}
        ]
      }
    ]
  },
  "CentOS Linux-8": {
    "package_manager": "rpm-list",
    "constraints": [
      {
        "release": "8",
        "pkgs": [
          {"reference": "cargo"},
          {"reference": "cargo-doc"},
          {"reference": "clippy"},
          {"reference": "lemon"},
          {"reference": "mingw-sqlite"},
          {"reference": "mingw32-sqlite"},
          {"reference": "mingw32-sqlite-static"},
          {"reference": "mingw64-sqlite"},
          {"reference": "mingw64-sqlite-static"},
          {"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": "rls"},
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          {"reference": "rust-debugger-common"},
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  "Red Hat Enterprise Linux-8": {
    "package_manager": "rpm-list",
    "constraints": [
      {
        "release": "8",
        "pkgs": [
          {"reference": "cargo"},
          {"reference": "cargo-doc"},
          {"reference": "clippy"},
          {"reference": "lemon"},
          {"reference": "mingw-sqlite"},
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          {"reference": "mingw64-sqlite-static"},
          {"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": "rls"},
          {"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"},
          {"reference": "sqlite"},
          {"reference": "sqlite-devel"},
          {"reference": "sqlite-doc"},
          {"reference": "sqlite-libs"},
          {"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"},
          {"reference": "sqlite"},
          {"reference": "sqlite-devel"},
          {"reference": "sqlite-libs"}
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      }
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  }
};

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');
}