Improper Neutralization of CRLF Sequences ('CRLF Injection') (CWE-93)
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.
Feedly found the first article mentioning CVE-2015-9097. See article
EPSS Score was set to: 0.51% (Percentile: 73.8%)