Mozilla Firefox ESR < 52.7.3 Denial of Service Vulnerability (macOS)

critical Nessus Plugin ID 108753


A web browser installed on the remote macOS or Mac OS X host is affected by a Denial of Service vulnerability.


The version of Mozilla Firefox ESR installed on the remote macOS or Mac OS X host is prior to 52.7.3. It is, therefore, affected by a use-after-free error that causes a denial of service vulnerability.


Upgrade to Mozilla Firefox ESR version 52.7.3 or later.

See Also

Plugin Details

Severity: Critical

ID: 108753

File Name: macos_firefox_52_7_3_esr.nasl

Version: 1.5

Type: local

Agent: macosx

Published: 3/30/2018

Updated: 11/8/2019

Supported Sensors: Nessus Agent

Risk Information


Risk Factor: Medium

Score: 6.7


Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Temporal Vector: E:U/RL:OF/RC:C

CVSS Score Source: CVE-2018-5148


Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:mozilla:firefox_esr

Required KB Items: MacOSX/Firefox/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 3/26/2018

Vulnerability Publication Date: 3/26/2018

Reference Information

CVE: CVE-2018-5148

BID: 103506

MFSA: 2018-10