CVE-2025-2830

Published Apr 15, 2025

Last updated 8 days ago

Overview

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's system. This vulnerability is not limited to Linux; similar behavior has been observed on Windows as well. This vulnerability affects Thunderbird < 137.0.2 and Thunderbird < 128.9.2.
Source
security@mozilla.org
NVD status
Analyzed

Risk scores

CVSS 3.1

Type
Secondary
Base score
6.3
Impact score
3.4
Exploitability score
2.8
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Severity
MEDIUM

Weaknesses

134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE-22

Social media

Hype score
Not currently trending

Configurations