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CVE-2026-45067

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high threat

Symfony Email Header / SMTP Command Injection via CRLF Characters

Symfony's Mime Address component is susceptible to email header and SMTP command injection due to accepting CRLF characters within email addresses, leading to potential header manipulation or unauthorized SMTP commands in symfony/mime and symfony/symfony versions prior to 5.4.52, versions 6.0.0 to before 6.4.40, versions 7.0.0 to before 7.4.12 and versions 8.0.0 to before 8.0.12.

symfony/mime +1 crlf-injection email-injection symfony CVE-2026-45067
2r 1t