RHEL 8 : thunderbird (RHSA-2025:21881)

high Nessus Plugin ID 276475

Synopsis

The remote Red Hat host is missing one or more security updates for thunderbird.

Description

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2025:21881 advisory.

Mozilla Thunderbird is a standalone mail and newsgroup client.

Security Fix(es):

* firefox: Mitigation bypass in the DOM: Security component (CVE-2025-13018)

* firefox: Use-after-free in the Audio/Video component (CVE-2025-13014)

* firefox: Incorrect boundary conditions in the JavaScript: WebAssembly component (CVE-2025-13016)

* firefox: Same-origin policy bypass in the DOM: Workers component (CVE-2025-13019)

* firefox: Use-after-free in the WebRTC: Audio/Video component (CVE-2025-13020)

* firefox: Race condition in the Graphics component (CVE-2025-13012)

* firefox: Spoofing issue in Firefox (CVE-2025-13015)

* firefox: Mitigation bypass in the DOM: Core & HTML component (CVE-2025-13013)

* firefox: Same-origin policy bypass in the DOM: Notifications component (CVE-2025-13017)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux 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 RHEL thunderbird package based on the guidance in RHSA-2025:21881.

Plugin Details

Severity: High

ID: 276475

File Name: redhat-RHSA-2025-21881.nasl

Version: 1.1

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 11/21/2025

Updated: 11/21/2025

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

Vendor

Vendor Severity: Important

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-2025-13020

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

CPE: cpe:/o:redhat:rhel_eus:8.10, p-cpe:/a:redhat:enterprise_linux:thunderbird, cpe:/o:redhat:enterprise_linux:8

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/20/2025

Vulnerability Publication Date: 11/11/2025

Reference Information

CVE: CVE-2025-13012, CVE-2025-13013, CVE-2025-13014, CVE-2025-13015, CVE-2025-13016, CVE-2025-13017, CVE-2025-13018, CVE-2025-13019, CVE-2025-13020

CWE: 290, 346, 366, 501, 787, 79, 825

RHSA: 2025:21881

Detections

Analytics