Mozilla Firefox ESR Security Update (mfsa_2026-03) - Mac OS X
🗓️ 14 Jan 2026 00:00:00Reported by Copyright (C) 2026 Greenbone AGType
openvas🔗 plugins.openvas.org👁 8 Views
| Reporter | Title | Published | Views | Family All 955 |
|---|---|---|---|---|
| Mozilla -- multiple vulnerabilities | 13 Jan 202600:00 | – | freebsd | |
| Mozilla -- multiple vulnerabilities | 13 Jan 202600:00 | – | freebsd | |
| Mozilla -- Spoofing issue | 9 Dec 202500:00 | – | freebsd | |
| CVE-2026-0877 | 13 Jan 202613:30 | – | attackerkb | |
| CVE-2026-0880 | 13 Jan 202613:30 | – | attackerkb | |
| CVE-2026-0890 | 13 Jan 202613:30 | – | attackerkb | |
| CVE-2026-0886 | 13 Jan 202613:30 | – | attackerkb | |
| CVE-2026-0883 | 13 Jan 202613:30 | – | attackerkb | |
| CVE-2026-0884 | 13 Jan 202613:30 | – | attackerkb | |
| CVE-2026-0882 | 13 Jan 202613:30 | – | attackerkb |
10
| Source | Link |
|---|---|
| mozilla | www.mozilla.org/en-US/security/advisories/mfsa2026-03/ |
# SPDX-FileCopyrightText: 2026 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only
CPE = "cpe:/a:mozilla:firefox_esr";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.837045");
script_version("2026-01-16T05:47:38+0000");
script_cve_id("CVE-2026-0877", "CVE-2026-0878", "CVE-2026-0879", "CVE-2026-0880",
"CVE-2026-0882", "CVE-2025-14327", "CVE-2026-0883", "CVE-2026-0884",
"CVE-2026-0885", "CVE-2026-0886", "CVE-2026-0887", "CVE-2026-0890",
"CVE-2026-0891");
script_tag(name:"cvss_base", value:"7.8");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:C/A:N");
script_tag(name:"last_modification", value:"2026-01-16 05:47:38 +0000 (Fri, 16 Jan 2026)");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2025-12-10 20:29:43 +0000 (Wed, 10 Dec 2025)");
script_tag(name:"creation_date", value:"2026-01-14 10:00:09 +0530 (Wed, 14 Jan 2026)");
script_name("Mozilla Firefox ESR Security Update (mfsa_2026-03) - Mac OS X");
script_tag(name:"summary", value:"Mozilla Firefox ESR is prone to multiple
vulnerabilities.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present
on the target host.");
script_tag(name:"impact", value:"Successful exploitation allows an attacker
to conduct run arbitrary code, bypass security restrictions, disclose information
and spoofing.");
script_tag(name:"affected", value:"Mozilla Firefox ESR version 140.x before
140.7 on Mac OS X.");
script_tag(name:"solution", value:"Update to version 140.7 or later.");
script_tag(name:"solution_type", value:"VendorFix");
script_tag(name:"qod_type", value:"executable_version");
script_xref(name:"URL", value:"https://www.mozilla.org/en-US/security/advisories/mfsa2026-03/");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2026 Greenbone AG");
script_family("General");
script_dependencies("gb_mozilla_prdts_detect_macosx.nasl");
script_mandatory_keys("Mozilla/Firefox-ESR/MacOSX/Version");
exit(0);
}
include("host_details.inc");
include("version_func.inc");
if(!infos = get_app_version_and_location(cpe:CPE, exit_no_version:TRUE))
exit(0);
vers = infos["version"];
path = infos["location"];
if(version_in_range_exclusive(version:vers, test_version_lo:"140.0", test_version_up:"140.7")) {
report = report_fixed_ver(installed_version:vers, fixed_version:"140.7", install_path:path);
security_message(port:0, data:report);
exit(0);
}
exit(99);Data
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16 Jan 2026 00:00Current
6.9Medium risk
Vulners AI Score6.9
CVSS 3.17.5 - 9.8
EPSS0.00592
SSVC