Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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.

Published

2025-04-15T15:16:08.957

Last Modified

2025-06-18T13:37:00.120

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 6.3 (MEDIUM)

Weaknesses

Type: Secondary
CWE-22

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	mozilla	thunderbird	< 128.9.2	Yes
Application	mozilla	thunderbird	< 137.0.2	Yes

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1956379 Permissions Required ([email protected])
https://www.mozilla.org/security/advisories/mfsa2025-26/ Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2025-27/ Vendor Advisory ([email protected])