Lucene search
+L

Mozilla Firefox Security Advisories (MFSA2021-01, MFSA2021-01) - Mac OS X

🗓️ 07 Jan 2021 00:00:00Reported by Copyright (C) 2021 Greenbone AGType 
openvas
 openvas
🔗 plugins.openvas.org👁 11 Views

Mozilla Firefox use-after-free vulnerability in Mac OS

Related
Refs
Code
# 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:firefox";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.817564");
  script_version("2025-09-19T15:40:40+0000");
  script_cve_id("CVE-2020-16044");
  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:"2025-09-19 15:40:40 +0000 (Fri, 19 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:"2021-02-11 21:09:00 +0000 (Thu, 11 Feb 2021)");
  script_tag(name:"creation_date", value:"2021-01-07 18:16:41 +0530 (Thu, 07 Jan 2021)");
  script_name("Mozilla Firefox Security Advisories (MFSA2021-01, MFSA2021-01) - Mac OS X");

  script_tag(name:"summary", value:"Mozilla Firefox is prone to a use after free vulnerability.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");

  script_tag(name:"insight", value:"The flaw exists due to:
  Use-after-free write when handling a malicious COOKIE-ECHO SCTP chunk.");

  script_tag(name:"impact", value:"Successful exploitation will allow
  attackers to run arbitrary code.");

  script_tag(name:"affected", value:"Mozilla Firefox version before
  84.0.2 on Mac OS X.");

  script_tag(name:"solution", value:"Upgrade to Mozilla Firefox version 84.0.2
  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/mfsa2021-01/");
  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("Mozilla/Firefox/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 );
ffVer = infos["version"];
ffPath = infos["location"];

if(version_is_less(version:ffVer, test_version:"84.0.2"))
{
  report = report_fixed_ver(installed_version:ffVer, fixed_version:"84.0.2", install_path:ffPath);
  security_message(data:report);
  exit(0);
}

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

19 Sep 2025 00:00Current
9.2High risk
Vulners AI Score9.2
CVSS 26.8
CVSS 3.18.8
EPSS0.01304
11