Mozilla Thunderbird Security Advisories (MFSA2021-10, MFSA2021-12) - Mac OS X
🗓️ 26 Mar 2021 00:00:00Reported by Copyright (C) 2021 Greenbone AGType
openvas🔗 plugins.openvas.org👁 27 Views
| Reporter | Title | Published | Views | Family All 255 |
|---|---|---|---|---|
| Security Bulletin: Multiple vulnerabilities in Mozilla Firefox affect IBM Cloud Pak for Multicloud Management Monitoring | 18 May 202111:41 | – | ibm | |
| Security Bulletin: Multiple vulnerabilities of Mozilla Firefox (less than Firefox 78.9.0 ESR + CVE-2021-23987) have affected Synthetic Playback Agent 8.1.4.0-8.1.4 IF13 + CP4MCM2.2 | 12 May 202102:50 | – | ibm | |
| Security fix for the ALT Linux 10 package firefox-esr version 78.9.0-alt1 | 23 Mar 202100:00 | – | altlinux | |
| Security fix for the ALT Linux 10 package thunderbird version 78.10.0-alt1 | 26 Apr 202100:00 | – | altlinux | |
| CVE-2021-23984 | 31 Mar 202114:15 | – | attackerkb | |
| CVE-2021-23982 | 31 Mar 202114:15 | – | attackerkb | |
| CVE-2021-23987 | 31 Mar 202114:15 | – | attackerkb | |
| CVE-2021-23981 | 31 Mar 202114:15 | – | attackerkb | |
| Amazon Linux 2 : thunderbird (ALAS-2021-1632) | 22 Apr 202100:00 | – | nessus | |
| CentOS 8 : firefox (CESA-2021:0990) | 26 Mar 202100:00 | – | nessus |
10
| Source | Link |
|---|---|
| mozilla | www.mozilla.org/en-US/security/advisories/mfsa2021-12/ |
# SPDX-FileCopyrightText: 2021 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:thunderbird";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.817980");
script_version("2025-09-12T05:38:45+0000");
script_cve_id("CVE-2021-23981", "CVE-2021-23982", "CVE-2021-23984", "CVE-2021-23987");
script_tag(name:"cvss_base", value:"6.8");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:P/A:P");
script_tag(name:"last_modification", value:"2025-09-12 05:38:45 +0000 (Fri, 12 Sep 2025)");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2021-06-24 14:15:00 +0000 (Thu, 24 Jun 2021)");
script_tag(name:"creation_date", value:"2021-03-26 15:51:21 +0530 (Fri, 26 Mar 2021)");
script_name("Mozilla Thunderbird Security Advisories (MFSA2021-10, MFSA2021-12) - Mac OS X");
script_tag(name:"summary", value:"Mozilla Thunderbird is prone to multiple vulnerabilities.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present
on the target host.");
script_tag(name:"insight", value:"Multiple flaws exist due to:
- Texture upload into an unbound backing buffer resulted in an out-of-bound
read.
- Internal network hosts could have been probed by a malicious webpage.
- Malicious extensions could have spoofed popup information.
- Memory safety bugs.");
script_tag(name:"impact", value:"Successful exploitation will allow attackers
to run arbitrary code, cause denial of service and conduct spoofing attacks.");
script_tag(name:"affected", value:"Mozilla Thunderbird version before
78.9 on Mac OS X.");
script_tag(name:"solution", value:"Upgrade to Mozilla Thunderbird version 78.9
or later. Please see the references for more information.");
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/mfsa2021-12/");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2021 Greenbone AG");
script_family("General");
script_dependencies("gb_mozilla_prdts_detect_macosx.nasl");
script_mandatory_keys("Thunderbird/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_is_less(version:vers, test_version:"78.9")) {
report = report_fixed_ver(installed_version:vers, fixed_version:"78.9", install_path:path);
security_message(port:0, data:report);
exit(0);
}
exit(99);
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12 Sep 2025 00:00Current
8.9High risk
Vulners AI Score8.9
CVSS 26.8
CVSS 3.18.8
EPSS0.01404