| Package | Affected versions | Patched versions |
|---|---|---|
< 2.5.5 | 2.5.5 | |
≤ 2.5.4 |
The mail gem before 2.5.5 for Ruby (aka A Really Ruby Mail Library) is vulnerable to SMTP command injection via CRLF sequences in a RCPT TO or MAIL FROM command, as demonstrated by CRLF sequences immediately before and after a DATA substring.
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