CVE-2025-2830

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.

CVSS v3 6.3 MEDIUM

6.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
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

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mozilla:thunderbird::::::::
	cpe:2.3:a:mozilla:thunderbird::::::::

History

No history.

Information

Published : 2025-04-15 15:16

Updated : 2025-06-18 13:37

NVD link : CVE-2025-2830

Mitre link : CVE-2025-2830

CVE.ORG link : CVE-2025-2830

JSON object : View

Products Affected

mozilla

thunderbird

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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