Mozilla Thunderbird < 128.10.2

high Nessus Plugin ID 237116

Synopsis

A mail client installed on the remote macOS or Mac OS X host is affected by multiple vulnerabilities.

Description

The version of Thunderbird installed on the remote macOS or Mac OS X host is prior to 128.10.2. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-40 advisory.

- An attacker was able to perform an out-of-bounds read or write on a JavaScript object by confusing array index sizes. (CVE-2025-4919)

- An attacker was able to perform an out-of-bounds read or write on a JavaScript `Promise` object.
(CVE-2025-4918)

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

Solution

Upgrade to Mozilla Thunderbird version 128.10.2 or later.

See Also

https://www.mozilla.org/en-US/security/advisories/mfsa2025-40/

Plugin Details

Severity: High

ID: 237116

File Name: macos_thunderbird_128_10_2.nasl

Version: 1.1

Type: local

Agent: macosx

Published: 5/22/2025

Updated: 5/22/2025

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.2

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

CPE: cpe:/a:mozilla:thunderbird

Required KB Items: MacOSX/Thunderbird/Installed

Exploit Ease: No known exploits are available

Patch Publication Date: 5/20/2025

Vulnerability Publication Date: 5/17/2025

Reference Information

CVE: CVE-2025-4918, CVE-2025-4919