Oracle MySQL Server 8.4.x < 8.4.10 (June 2026 CPU)

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

include('compat.inc');

if (description)
{
  script_id(321533);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/06/22");

  script_cve_id("CVE-2026-46863");
  script_xref(name:"IAVA", value:"2026-A-0613");

  script_name(english:"Oracle MySQL Server 8.4.x < 8.4.10 (June 2026 CPU)");

  script_set_attribute(attribute:"synopsis", value:
"The remote host is affected by a denial of service vulnerability.");
  script_set_attribute(attribute:"description", value:
"The versions of MySQL Server installed on the remote host are affected by a vulnerability as referenced in the
June 2026 CPU advisory.

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Connection Handling). Supported
    versions that are affected are 8.4.0-8.4.9 and 9.0.0-9.7.0. Easily exploitable vulnerability allows
    unauthenticated attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks
    of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete
    DOS) of MySQL Server. (CVE-2026-46863)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://www.oracle.com/security-alerts/cspujun2026.html");
  script_set_attribute(attribute:"solution", value:
"Apply the appropriate patch according to the June 2026 Oracle Critical Patch Update advisory.");
  script_set_attribute(attribute:"agent", value:"all");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2026-46863");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"vuln_publication_date", value:"2026/06/16");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/06/16");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/06/19");

  script_set_attribute(attribute:"plugin_type", value:"combined");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:oracle:mysql");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Databases");

  script_copyright(english:"This script is Copyright (C) 2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("mysql_version.nasl", "mysql_login.nasl", "mysql_version_local.nasl", "mysql_win_installed.nbin", "macosx_mysql_installed.nbin");
  script_require_keys("installed_sw/MySQL Server");

  exit(0);
}

include('vcf_extras_mysql.inc');

var app_info = vcf::mysql::combined_get_app_info();

vcf::check_all_backporting(app_info:app_info);

var constraints = [{ 'min_version' : '8.4', 'fixed_version' : '8.4.10'}];

vcf::check_version_and_report(app_info:app_info, constraints:constraints, severity:SECURITY_HOLE);