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Mozilla Firefox < 152.0.4

🗓️ 02 Jul 2026 00:00:00Reported by TenableType 
nessus
 nessus
🔗 www.tenable.com👁 2 Views

Firefox on macOS older than 152.0.4 has memory safety bugs that could allow code execution (CVE-2026-14241).

Related
Refs
Code
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-14241
30 Jun 202613:32
attackerkb
Circl
CVE-2026-14241
1 Jul 202613:00
circl
CVE
CVE-2026-14241
30 Jun 202613:32
cve
Cvelist
CVE-2026-14241 Memory safety bugs fixed in Firefox 152.0.4
30 Jun 202613:32
cvelist
Debian CVE
CVE-2026-14241
30 Jun 202613:32
debiancve
EUVD
EUVD-2026-40321
30 Jun 202613:32
euvd
Mozilla
Security Vulnerabilities fixed in Firefox 152.0.4 — Mozilla
30 Jun 202600:00
mozilla
Tenable Nessus
Mozilla Firefox < 152.0.4
2 Jul 202600:00
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-14241
2 Jul 202600:00
nessus
NVD
CVE-2026-14241
30 Jun 202614:16
nvd
Rows per page
#%NASL_MIN_LEVEL 80900
## 
# (C) Tenable, Inc.
#                                  
# The descriptive text and package checks in this plugin were
# extracted from Mozilla Foundation Security Advisory mfsa2026-62.
# The text itself is copyright (C) Mozilla Foundation.
## 

include('compat.inc');

if (description)
{
  script_id(324878);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/07/03");

  script_cve_id("CVE-2026-14241");
  script_xref(name:"IAVA", value:"2026-A-0645");

  script_name(english:"Mozilla Firefox < 152.0.4");

  script_set_attribute(attribute:"synopsis", value:
"A web browser installed on the remote macOS or Mac OS X host is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"The version of Firefox installed on the remote macOS or Mac OS X host is prior to 152.0.4. It is, therefore, affected by
a vulnerability as referenced in the mfsa2026-62 advisory.

  - Memory safety bugs present in Firefox 152.0.3. Some of these bugs showed evidence of memory corruption and
    we presume that with enough effort some of these could have been exploited to run arbitrary code.
    (CVE-2026-14241)

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.mozilla.org/en-US/security/advisories/mfsa2026-62/");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Mozilla Firefox version 152.0.4 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/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:H/I:H/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-2026-14241");

  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:"2026/06/30");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/06/30");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/07/02");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:mozilla:firefox");
  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) 2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("macosx_firefox_installed.nasl");
  script_require_keys("installed_sw/Mozilla Firefox");

  exit(0);
}

include('vdf.inc');

# @tvdl-content-verify-only
var vuln_data = {
  "metadata": {
    "spec_version": "1.0"
  },
  "requires": [
    {
      "scope": "target",
      "match": {
        "os": "macos"
      }
    }
  ],
  "checks": [
    {
      "product": {
        "name": "Mozilla Firefox",
        "type": "app"
      },
      "check_algorithm": "default",
      "constraints": [
        {
          "fixed_version": "152.0.4"
        }
      ]
    }
  ]
};

var vdf_result = vdf::check_and_report(vuln_data:vuln_data, severity:SECURITY_HOLE);
vdf::handle_check_and_report_errors(vdf_result:vdf_result);

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03 Jul 2026 00:00Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.19.8
EPSS0.00303
2