Rocky Linux 8 [CIQ] Security Update: firefox / firefox-debuginfo / firefox-debugsource Multiple Vulnerabilities (crlsa-2021_5013)

critical Nessus Plugin ID 359136

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_5013 advisory.

* Mozilla: Memory safety bugs fixed in Firefox 95 and Firefox ESR 91.4

* 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)

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_5013.

Plugin Details

Severity: Critical

ID: 359136

File Name: ciq_rocky_linux_8_crlsa-2021_5013.nasl

Version: 1.1

Type: Local

Family: Rocky Linux Local Security Checks

Published: 10/1/2026

Updated: 10/1/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.15

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-2021-43539

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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:P/RL:O/RC:C

CVSS Score Source: CVE-2021-4129

Vulnerability Information

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 12/8/2021

Vulnerability Publication Date: 12/7/2021

Reference Information

CVE: CVE-2021-4129, 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

Detections

Analytics