Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2025-3875

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 affects Thunderbird < 128.10.1 and Thunderbird < 138.0.1.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 11.1%
CVSS Severity
CVSS v3 Score 7.5
Products affected by CVE-2025-3875


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