CentOS 8 : thunderbird (CESA-2021:2883)

high Nessus Plugin ID 152168


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-2021:2883 advisory.

- Mozilla: IMAP server responses sent by a MITM prior to STARTTLS could be processed (CVE-2021-29969)

- Mozilla: Use-after-free in accessibility features of a document (CVE-2021-29970)

- Mozilla: Memory safety bugs fixed in Firefox 90 and Firefox ESR 78.12 (CVE-2021-29976)

- chromium-browser: Out of bounds write in ANGLE (CVE-2021-30547)

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: 152168

File Name: centos8_RHSA-2021-2883.nasl

Version: 1.3

Type: local

Agent: unix

Published: 8/1/2021

Updated: 8/12/2021

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

Risk Information

CVSS Score Source: CVE-2021-30547


Risk Factor: High

Score: 8.4


Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

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


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

Vulnerability Information

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

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/26/2021

Vulnerability Publication Date: 6/8/2021

Reference Information

CVE: CVE-2021-29969, CVE-2021-29970, CVE-2021-29976, CVE-2021-30547

RHSA: 2021:2883

IAVA: 2021-A-0309-S, 2021-A-0293-S