Rocky Linux 8 [CIQ] Security Update: thunderbird / thunderbird-debuginfo / thunderbird-debugsource Multiple Vulnerabilities (crlsa-2021_3838)

critical Nessus Plugin ID 359019

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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_3838 advisory.

* Mozilla: Use-after-free in MessageTask (CVE-2021-38496)

* Mozilla: Memory safety bugs fixed in Firefox 93, Firefox ESR 78.15, and Firefox ESR 91.2 (CVE-2021-38500)

* Mozilla: Memory safety bugs fixed in Firefox 93 and Firefox ESR 91.2 (CVE-2021-38501)

* Mozilla: Downgrade attack on SMTP STARTTLS connections (CVE-2021-38502)

* rust-crossbeam-deque: race condition may lead to double free (CVE-2021-32810)

* Mozilla: Validation message could have been overlaid on another origin (CVE-2021-38497)

* Mozilla: Use-after-free of nsLanguageAtomService object (CVE-2021-38498)

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_3838.

Plugin Details

Severity: Critical

ID: 359019

File Name: ciq_rocky_linux_8_crlsa-2021_3838.nasl

Version: 1.1

Type: Local

Family: Rocky Linux Local Security Checks

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

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

CVSS Score Source: CVE-2021-38501

CVSS v3

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

CVSS Score Source: CVE-2021-32810

Vulnerability Information

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/13/2021

Vulnerability Publication Date: 8/2/2021

Reference Information

CVE: CVE-2021-32810, CVE-2021-38496, CVE-2021-38497, CVE-2021-38498, CVE-2021-38500, CVE-2021-38501, CVE-2021-38502

Detections

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