CVE-2025-2830

MediumCVSS 6.3/10Last modified Jun 17, 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'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.

Metrics

CVSS 3.1 6.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

Weakness enumeration

CWE-22

Affected software

No affected versions have been published.

Timeline

Published
Apr 15, 2025
Last modified
Jun 17, 2026
NVD status
Modified

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