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Mozilla Firefox ESR < 128.7

🗓️ 04 Feb 2025 00:00:00Reported by TenableType 
nessus
 nessus
🔗 www.tenable.com👁 8 Views

Mozilla Firefox ESR is vulnerable to multiple issues prior to version 128.7, risking memory safety.

Related
Refs
Code
#%NASL_MIN_LEVEL 80900
## 
# (C) Tenable, Inc.
#                                  
# The descriptive text and package checks in this plugin were
# extracted from Mozilla Foundation Security Advisory mfsa2025-09.
# The text itself is copyright (C) Mozilla Foundation.
##

include('compat.inc');

if (description)
{
  script_id(214956);
  script_version("1.6");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/11/18");

  script_cve_id(
    "CVE-2024-11704",
    "CVE-2025-1009",
    "CVE-2025-1010",
    "CVE-2025-1011",
    "CVE-2025-1012",
    "CVE-2025-1013",
    "CVE-2025-1014",
    "CVE-2025-1016",
    "CVE-2025-1017"
  );
  script_xref(name:"IAVA", value:"2024-A-0769-S");
  script_xref(name:"IAVA", value:"2025-A-0079-S");

  script_name(english:"Mozilla Firefox ESR < 128.7");

  script_set_attribute(attribute:"synopsis", value:
"A web browser installed on the remote macOS or Mac OS X host is affected by multiple vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"The version of Firefox ESR installed on the remote macOS or Mac OS X host is prior to 128.7. It is, therefore, affected
by multiple vulnerabilities as referenced in the mfsa2025-09 advisory.

  - Memory safety bugs present in Firefox 134, Thunderbird 134, Firefox ESR 128.6, and Thunderbird 128.6. 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-2025-1017)

  - An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable
    crash. (CVE-2025-1009)

  - An attacker could have caused a use-after-free via the Custom Highlight API, leading to a potentially
    exploitable crash. (CVE-2025-1010)

  - A bug in WebAssembly code generation could have lead to a crash. It may have been possible for an attacker
    to leverage this to achieve code execution. (CVE-2025-1011)

  - A race during concurrent delazification could have led to a use-after-free. (CVE-2025-1012)

Note that Nessus has not tested for these issues 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/mfsa2025-09/");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Mozilla Firefox ESR version 128.7 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-2025-1017");

  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:"2024/11/25");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/02/04");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/02/04");

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

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

  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 ESR",
        "type": "app"
      },
      "check_algorithm": "default",
      "constraints": [
        {
          "min_version": "128.0.0",
          "fixed_version": "128.7"
        }
      ]
    }
  ]
};

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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18 Nov 2025 00:00Current
7.5High risk
Vulners AI Score7.5
CVSS 3.19.8
EPSS0.01196
SSVC
8