CVE-2025-2830

Severity CVSS v4.0:

Pending analysis

Type:

CWE-22 Path Traversal

Publication date:

15/04/2025

Last modified:

13/04/2026

Description

By crafting a malformed file name for an attachment in a multipart message, an attacker can trick Thunderbird into including a directory listing of /tmp when the message is forwarded or edited as a new message. This vulnerability could allow attackers to disclose sensitive information from the victim&#39;s system. This vulnerability is not limited to Linux; similar behavior has been observed on Windows as well. This vulnerability was fixed in Thunderbird 137.0.2 and Thunderbird 128.9.2.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L CVSS v3.1 Severity and Metrics:

Base Score: 6.30 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): Low
Availability (A): Low

Base Score 3.x

6.30

Severity 3.x

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:mozilla:thunderbird::::::::		128.9.2 (excluding)
cpe:2.3:a:mozilla:thunderbird::::::::	129.0 (including)	137.0.2 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2025-2830

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools