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.
{ "binaries": [ { "binary_name": "ruby-mail", "binary_version": "2.6.3+dfsg1-1" } ], "availability": "No subscription required" }
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-9097.json"