CentOS 8 : thunderbird (CESA-2021:5045)

high Nessus Plugin ID 155996


The remote CentOS host is missing one or more security updates.


The remote CentOS Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the CESA-2021:5045 advisory.

- Mozilla: JavaScript unexpectedly enabled for the composition area (CVE-2021-43528)

- Mozilla: URL leakage when navigating while executing asynchronous function (CVE-2021-43536)

- Mozilla: Heap buffer overflow when using structured clone (CVE-2021-43537)

- Mozilla: Missing fullscreen and pointer lock notification when requesting both (CVE-2021-43538)

- Mozilla: GC rooting failure when calling wasm instance methods (CVE-2021-43539)

- Mozilla: External protocol handler parameters were unescaped (CVE-2021-43541)

- Mozilla: XMLHttpRequest error codes could have leaked the existence of an external protocol handler (CVE-2021-43542)

- Mozilla: Bypass of CSP sandbox directive when embedding (CVE-2021-43543)

- Mozilla: Denial of Service when using the Location API in a loop (CVE-2021-43545)

- Mozilla: Cursor spoofing could overlay user interface when native cursor is zoomed (CVE-2021-43546)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.


Update the affected thunderbird package.

See Also


Plugin Details

Severity: High

ID: 155996

File Name: centos8_RHSA-2021-5045.nasl

Version: 1.4

Type: local

Agent: unix

Published: 12/10/2021

Updated: 11/22/2023

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Agentless Assessment, Nessus

Risk Information


Risk Factor: Medium

Score: 5.9


Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2021-43539


Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:centos:centos:8-stream, p-cpe:/a:centos:centos:thunderbird

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/CentOS/release, Host/CentOS/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 12/9/2021

Vulnerability Publication Date: 12/7/2021

Reference Information

CVE: CVE-2021-43528, CVE-2021-43536, CVE-2021-43537, CVE-2021-43538, CVE-2021-43539, CVE-2021-43541, CVE-2021-43542, CVE-2021-43543, CVE-2021-43545, CVE-2021-43546

IAVA: 2021-A-0569-S

RHSA: 2021:5045