CVE-2025-2830
Medium
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.
SeverityMedium
CVSS6.3
Exploit probability—
Product
Mozilla Thunderbird
PublishedApr 15, 2025
First seenApr 15, 2025
Weakness typeCWE-22Path traversal
How to fix
Update
- mozilla thunderbird128.9.2, 137.0.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla thunderbird | v < 128.9.2, 129.0 ≤ v < 137.0.2 | 128.9.2, 137.0.2 |
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