Rocky Linux 8 [CIQ] Security Update: thunderbird / thunderbird-debuginfo / thunderbird-debugsource Multiple Vulnerabilities (crlsa-2021_2883)

high Nessus Plugin ID 358845

Synopsis

The Rocky Linux host is missing one or more security updates.

Description

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-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)

Tenable has extracted the preceding description block directly from the CIQ security advisory.

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

Solution

Update the affected packages based on the guidance in CIQ advisory crlsa-2021_2883.

See Also

https://access.redhat.com/errata/RHSA-2021:2883

https://bugzilla.redhat.com/show_bug.cgi?id=1970109

https://bugzilla.redhat.com/show_bug.cgi?id=1982013

https://bugzilla.redhat.com/show_bug.cgi?id=1982014

https://bugzilla.redhat.com/show_bug.cgi?id=1982015

https://errata.build.resf.org/RLSA-2021:2883

http://www.nessus.org/u?1e50dd65

http://www.nessus.org/u?97aebaa9

Plugin Details

Severity: High

ID: 358845

File Name: ciq_rocky_linux_8_crlsa-2021_2883.nasl

Version: 1.1

Type: Local

Published: 10/1/2026

Updated: 10/1/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.12

Vendor

Vendor Severity: Unknown

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

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

CVSS Score Source: CVE-2021-30547

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

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:P/RL:O/RC:C

Vulnerability Information

Required KB Items: Host/OS/extended-third-party, Host/local_checks_enabled, Host/RockyLinux/release, Host/RockyLinux/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: 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