6.3
Medium
CVE-2025-2830 By crafting a malformed file name for an attachment in a multipart message, an attacker can trick Thunderbird into…
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Thunderbird 137.0 | earliest → < 137.0.2 | 137.0.2 |
| Thunderbird 128.9 | earliest → < 128.9.2 | 128.9.2 |
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