CVE-2025-3875— Sender Spoofing via Malformed From Header in Thunderbird
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I. Basic Information for CVE-2025-3875
Vulnerability Information
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Vulnerability Title
Sender Spoofing via Malformed From Header in Thunderbird
Source: NVD (National Vulnerability Database)
Vulnerability Description
Thunderbird parses addresses in a way that can allow sender spoofing in case the server allows an invalid From address to be used. For example, if the From header contains an (invalid) value "Spoofed Name ", Thunderbird treats spoofed@example.com as the actual address. This vulnerability was fixed in Thunderbird 128.10.1 and Thunderbird 138.0.1.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
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 128.10.1之前版本和138.0.1之前版本存在安全漏洞，该漏洞源于地址解析方式可能导致发送者欺骗。
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 | 128.10.1 ~ 128.* | - |
II. Public POCs for CVE-2025-3875
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|---|
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Same Patch Batch · Mozilla · 2025-05-14 · 3 CVEs total
| CVE-2025-3909 | JavaScript Execution via Spoofed PDF Attachment and file:/// Link | |
| CVE-2025-3932 | Tracking Links in Attachments Bypassed Remote Content Blocking |
IV. Related Vulnerabilities
Same vendor: Mozilla
- CVE-2026-8093
Memory safety bugs fixed in Thunderbird 150.0.2 - CVE-2026-8094
Other issue in the WebRTC component - CVE-2026-8092
Memory safety bugs fixed in Thunderbird ESR 140.10.2 and Thu - CVE-2026-8091
Incorrect boundary conditions in the Audio/Video: Playback c - CVE-2026-8090
Use-after-free in the DOM: Networking component
V. Comments for CVE-2025-3875
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