CVEvulnerability
CVE-2025-2830
6.3 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2025-04-15
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 6.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
- Weaknesses
- CWE-22
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 configurations
• mozilla thunderbird (< 128.9.2)
• mozilla thunderbird (>= 129.0 < 137.0.2)
Related
Weakness · CWE (1)
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory weakness
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1956379 Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2025-26/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-27/ Vendor Advisory