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macOS 26.x < 26.0.1 (125328)

🗓️ 29 Sep 2025 00:00:00Reported by TenableType 
nessus
 nessus
🔗 www.tenable.com👁 4 Views

macOS twenty-six before 26.0.1 has an out-of-bounds font write bug (CVE-2025-43400) causing crashes.

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

include('compat.inc');

if (description)
{
  script_id(266075);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/01/21");

  script_cve_id("CVE-2025-43400");
  script_xref(name:"APPLE-SA", value:"125328");
  script_xref(name:"IAVA", value:"2025-A-0710-S");

  script_name(english:"macOS 26.x < 26.0.1 (125328)");

  script_set_attribute(attribute:"synopsis", value:
"The remote host is missing a macOS update that fixes a vulnerability");
  script_set_attribute(attribute:"description", value:
"The remote host is running a version of macOS / Mac OS X that is 26.x prior to 26.0.1. It is, therefore, affected by a
vulnerability:

  - An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS
    Sonoma 14.8.1, macOS Tahoe 26.0.1, macOS Sequoia 15.7.1, visionOS 26.0.1, iOS 26.0.1 and iPadOS 26.0.1,
    iOS 18.7.1 and iPadOS 18.7.1. Processing a maliciously crafted font may lead to unexpected app termination
    or corrupt process memory. (CVE-2025-43400)

Note that Nessus has not tested for this issue but has instead relied only on the operating system's self-reported
version number.");
  script_set_attribute(attribute:"see_also", value:"https://support.apple.com/en-us/125328");
  script_set_attribute(attribute:"solution", value:
"Upgrade to macOS 26.0.1 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P");
  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:R/S:U/C:L/I:L/A:L");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2025-43400");

  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:"2025/09/29");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/09/29");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/09/29");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:apple:mac_os_x:26.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:apple:macos:26.0");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"MacOS X Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2025-2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl");
  script_require_ports("Host/MacOSX/Version", "Host/local_checks_enabled", "Host/MacOSX/packages/boms");

  exit(0);
}

include('vcf.inc');
include('vcf_extras_apple.inc');

var app_info = vcf::apple::macos::get_app_info();

var constraints = [
  { 'fixed_version' : '26.0.1', 'min_version' : '26.0', 'fixed_display' : 'macOS Tahoe 26.0.1' }
];

vcf::apple::macos::check_version_and_report(
    app_info:app_info,
    constraints:constraints,
    severity:SECURITY_WARNING
);

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21 Jan 2026 00:00Current
6Medium risk
Vulners AI Score6
CVSS 3.16.3
EPSS0.00163
SSVC
4