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Symfony has Email Header / SMTP Command Injection via CRLF in Symfony\Component\Mime\Address

🗓️ 27 May 2026 20:42:07Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 7 Views

The Symfony Address class now rejects addresses containing line breaks to prevent header and command injection.

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Detection
Refs
Vulners
Node
symfonysymfonyRange8.0.08.0.12composer
OR
symfonysymfonyRange7.0.07.4.12composer
OR
symfonysymfonyRange6.0.06.4.40composer
OR
symfonymimeRange8.0.08.0.12composer
OR
symfonymimeRange7.0.07.4.12composer
OR
symfonymimeRange6.0.06.4.40composer
OR
symfonysymfonyRange<5.4.52composer
OR
symfonymimeRange<5.4.52composer

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27 May 2026 20:42Current
5.8Medium risk
Vulners AI Score5.8
7