CVE-2025-2830— Information Disclosure of /tmp directory listing
Quick assessment
Affected
Mozilla Thunderbird
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Mozilla Thunderbird是美国Mozilla基金会的一套从Mozilla Application Suite独立出来的电子邮件客户端软件。该软件支持IMAP、POP邮件协议以及HTML邮件格式。 Mozilla Thunderbird 137.0.2之前版本和128.9.2之前版本存在安全漏洞，该漏洞源于多部分消息附件文件名处理不当，可能导致敏感信息泄露。
Possible ATT&CK Techniques 1 AI
T1005 · Data from Local System
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I. Basic Information for CVE-2025-2830
Vulnerability Information
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Vulnerability Title
Information Disclosure of /tmp directory listing
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Mozilla Thunderbird 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mozilla Thunderbird是美国Mozilla基金会的一套从Mozilla Application Suite独立出来的电子邮件客户端软件。该软件支持IMAP、POP邮件协议以及HTML邮件格式。 Mozilla Thunderbird 137.0.2之前版本和128.9.2之前版本存在安全漏洞，该漏洞源于多部分消息附件文件名处理不当，可能导致敏感信息泄露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Mozilla | Thunderbird | 128.9.2 ~ 128.* | - |
|
II. Public POCs for CVE-2025-2830
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2025-2830 (2)
Same Patch Batch · Mozilla · 2025-04-15 · 4 CVEs total
| CVE-2025-3522 | Leak of hashed Window credentials via crafted attachment URL | |
| CVE-2025-3523 | User Interface (UI) Misrepresentation of attachment URL | |
| CVE-2025-3608 | Race condition in nsHttpTransaction could lead to memory corruption |
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V. Comments for CVE-2025-2830
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