Description
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.
References (7)
Scores
CVSS v3
6.1
EPSS
0.0102
EPSS Percentile
77.3%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Details
CWE
CWE-93
Status
published
Products (2)
mail_project/mail
< 2.5.4
rubygems/mail
0 - 2.5.5RubyGems
Published
Jun 12, 2017
Tracked Since
Feb 18, 2026