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.

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-5912-1 thunderbird security update
EUVD EUVD EUVD-2025-10970 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.
Ubuntu USN Ubuntu USN USN-7663-1 Thunderbird vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Wed, 18 Jun 2025 14:00:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla
Mozilla thunderbird
CPEs cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Vendors & Products Mozilla
Mozilla thunderbird

Wed, 14 May 2025 03:00:00 +0000

Type Values Removed Values Added
CPEs cpe:/o:redhat:enterprise_linux:10.0

Thu, 08 May 2025 15:00:00 +0000

Type Values Removed Values Added
First Time appeared Redhat rhel Tus
CPEs cpe:/a:redhat:enterprise_linux:8
cpe:/a:redhat:rhel_aus:8.4
cpe:/a:redhat:rhel_aus:8.6
cpe:/a:redhat:rhel_e4s:8.4
cpe:/a:redhat:rhel_e4s:8.6
cpe:/a:redhat:rhel_tus:8.4
cpe:/a:redhat:rhel_tus:8.6
Vendors & Products Redhat rhel Tus

Wed, 07 May 2025 15:00:00 +0000

Type Values Removed Values Added
First Time appeared Redhat rhel E4s
CPEs cpe:/a:redhat:rhel_e4s:9.0
cpe:/a:redhat:rhel_eus:8.8
Vendors & Products Redhat rhel E4s

Tue, 06 May 2025 15:15:00 +0000

Type Values Removed Values Added
First Time appeared Redhat rhel Eus
CPEs cpe:/a:redhat:rhel_eus:9.2
cpe:/a:redhat:rhel_eus:9.4
Vendors & Products Redhat rhel Eus

Thu, 01 May 2025 02:45:00 +0000

Type Values Removed Values Added
First Time appeared Redhat rhel Aus
CPEs cpe:/a:redhat:rhel_aus:8.2
Vendors & Products Redhat rhel Aus

Mon, 28 Apr 2025 16:00:00 +0000

Type Values Removed Values Added
First Time appeared Redhat
Redhat enterprise Linux
CPEs cpe:/a:redhat:enterprise_linux:9
Vendors & Products Redhat
Redhat enterprise Linux

Sat, 19 Apr 2025 02:00:00 +0000

Type Values Removed Values Added
Title thunderbird: Information Disclosure of /tmp directory listing
Weaknesses CWE-200
References
Metrics threat_severity

None

threat_severity

Important


Tue, 15 Apr 2025 18:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-22
Metrics cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 15 Apr 2025 15:15:00 +0000

Type Values Removed Values Added
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 affects Thunderbird < 137.0.2 and Thunderbird < 128.9.2.
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2025-04-15T18:10:39.280Z

Reserved: 2025-03-26T18:56:39.784Z

Link: CVE-2025-2830

cve-icon Vulnrichment

Updated: 2025-04-15T18:10:31.243Z

cve-icon NVD

Status : Analyzed

Published: 2025-04-15T15:16:08.957

Modified: 2025-06-18T13:37:00.120

Link: CVE-2025-2830

cve-icon Redhat

Severity : Important

Publid Date: 2025-04-15T15:06:13Z

Links: CVE-2025-2830 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses