| Reporter | Title | Published | Views | Family All 545 |
|---|---|---|---|---|
| Mozilla -- multiple vulnerabilities | 13 Jan 202600:00 | – | freebsd | |
| CVE-2026-0877 | 13 Jan 202613:30 | – | attackerkb | |
| CVE-2026-0880 | 13 Jan 202613:30 | – | attackerkb | |
| CVE-2026-0886 | 13 Jan 202613:30 | – | attackerkb | |
| CVE-2026-0882 | 13 Jan 202613:30 | – | attackerkb | |
| CVE-2026-0879 | 13 Jan 202613:30 | – | attackerkb | |
| Amazon Linux 2023 : firefox (ALAS2023-2026-1429) | 19 Feb 202600:00 | – | nessus | |
| Amazon Linux 2 : thunderbird, --advisory ALAS2-2026-3167 (ALAS-2026-3167) | 19 Feb 202600:00 | – | nessus | |
| Amazon Linux 2 : firefox, --advisory ALAS2FIREFOX-2026-050 (ALASFIREFOX-2026-050) | 19 Feb 202600:00 | – | nessus | |
| AlmaLinux 8 : firefox (ALSA-2026:0667) | 13 Feb 202600:00 | – | nessus |
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Mozilla Foundation Security Advisory mfsa2026-02.
# The text itself is copyright (C) Mozilla Foundation.
##
include('compat.inc');
if (description)
{
script_id(283704);
script_version("1.5");
script_set_attribute(attribute:"plugin_modification_date", value:"2026/03/09");
script_cve_id(
"CVE-2026-0877",
"CVE-2026-0879",
"CVE-2026-0880",
"CVE-2026-0882",
"CVE-2026-0886"
);
script_xref(name:"IAVA", value:"2026-A-0032-S");
script_name(english:"Mozilla Firefox ESR < 115.32");
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 115.32. It is, therefore, affected
by multiple vulnerabilities as referenced in the mfsa2026-02 advisory.
- Use-after-free in the IPC component. This vulnerability affects Firefox < 147, Firefox ESR < 115.32,
Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7. (CVE-2026-0882)
- Sandbox escape due to incorrect boundary conditions in the Graphics component. This vulnerability affects
Firefox < 147, Firefox ESR < 115.32, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.
(CVE-2026-0879)
- Mitigation bypass in the DOM: Security component. This vulnerability affects Firefox < 147, Firefox ESR <
115.32, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7. (CVE-2026-0877)
- Sandbox escape due to integer overflow in the Graphics component. This vulnerability affects Firefox <
147, Firefox ESR < 115.32, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.
(CVE-2026-0880)
- Incorrect boundary conditions in the Graphics component. This vulnerability affects Firefox < 147, Firefox
ESR < 115.32, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7. (CVE-2026-0886)
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/mfsa2026-02/");
script_set_attribute(attribute:"solution", value:
"Upgrade to Mozilla Firefox ESR version 115.32 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-2026-0882");
script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2026-0879");
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:"2026/01/13");
script_set_attribute(attribute:"patch_publication_date", value:"2026/01/13");
script_set_attribute(attribute:"plugin_publication_date", value:"2026/01/14");
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) 2026 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": "115.0.0",
"fixed_version": "115.32"
}
]
}
]
};
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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