Rocky Linux 8 [CIQ] Security Update: thunderbird / thunderbird-debuginfo / thunderbird-debugsource Multiple Vulnerabilities (crlsa-2025_8756)

high Nessus Plugin ID 353884

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-2025_8756 advisory.

* thunderbird: JavaScript Execution via Spoofed PDF Attachment and file:/// Link (CVE-2025-3909)

* thunderbird: Sender Spoofing via Malformed From Header in Thunderbird (CVE-2025-3875)

* thunderbird: Unsolicited File Download, Disk Space Exhaustion, and Credential Leakage via mailbox:/// Links (CVE-2025-3877)

* thunderbird: Tracking Links in Attachments Bypassed Remote Content Blocking (CVE-2025-3932)

* firefox: thunderbird: Out-of-bounds access when resolving Promise objects (CVE-2025-4918)

* firefox: thunderbird: Out-of-bounds access when optimizing linear sums (CVE-2025-4919)

* firefox: thunderbird: Clickjacking vulnerability could have led to leaking saved payment card details (CVE-2025-5267)

* firefox: thunderbird: Potential local code execution in ?Copy as cURL? command (CVE-2025-5264)

* firefox: thunderbird: Memory safety bugs (CVE-2025-5268)

* firefox: thunderbird: Script element events leaked cross-origin resource status (CVE-2025-5266)

* firefox: thunderbird: Error handling for script execution was incorrectly isolated from web content (CVE-2025-5263)

* firefox: thunderbird: Memory safety bug (CVE-2025-5269)

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-2025_8756.

See Also

https://access.redhat.com/errata/RHSA-2025:8756

https://bugzilla.redhat.com/show_bug.cgi?id=2366283

https://bugzilla.redhat.com/show_bug.cgi?id=2366287

https://bugzilla.redhat.com/show_bug.cgi?id=2366291

https://bugzilla.redhat.com/show_bug.cgi?id=2366297

https://bugzilla.redhat.com/show_bug.cgi?id=2367016

https://bugzilla.redhat.com/show_bug.cgi?id=2367018

https://bugzilla.redhat.com/show_bug.cgi?id=2368749

https://bugzilla.redhat.com/show_bug.cgi?id=2368750

https://bugzilla.redhat.com/show_bug.cgi?id=2368751

https://bugzilla.redhat.com/show_bug.cgi?id=2368752

https://bugzilla.redhat.com/show_bug.cgi?id=2368755

https://bugzilla.redhat.com/show_bug.cgi?id=2368756

https://bugzilla.redhat.com/show_bug.cgi?id=2368757

https://errata.build.resf.org/RLSA-2025:8756

http://www.nessus.org/u?008011d8

http://www.nessus.org/u?ab6f3a7b

Plugin Details

Severity: High

ID: 353884

File Name: ciq_rocky_linux_8_crlsa-2025_8756.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: High

Score: 7.6

Percentile: 98.48

Vendor

Vendor Severity: Unknown

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2025-4919

CVSS v3

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

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: 7/29/2025

Vulnerability Publication Date: 7/29/2025

Reference Information

CVE: CVE-2025-3875, CVE-2025-3877, CVE-2025-3909, CVE-2025-3932, CVE-2025-4918, CVE-2025-4919, CVE-2025-5263, CVE-2025-5264, CVE-2025-5266, CVE-2025-5267, CVE-2025-5268, CVE-2025-5269, CVE-2025-5283