# mail (RubyGems) vulnerabilities

5 known vulnerabilities (1 medium), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: not known (cve.now hasn't read this package's releases)
- Newest unaffected release: not known without release data
- Registry: https://rubygems.org/gems/mail

## Advisories (5)

### [CVE-2026-63435](https://cve.now/CVE-2026-63435): Mail: Email address spoofing via malformed RFC 2047 encoded-words

- Severity: Medium 5.3
- Published: Sep 1, 2026
- Affected: fixed in 2.9.1.

### [CVE-2015-9097](https://cve.now/CVE-2015-9097): 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…

- Severity: Unrated
- Published: Jun 12, 2017
- Affected: fixed in 2.5.5.

### [CVE-2012-2140](https://cve.now/CVE-2012-2140): The Mail gem before 2.4.3 for Ruby allows remote attackers to execute arbitrary commands via shell metacharacters in a (1) sendmail or (2)…

- Severity: Unrated
- Published: Jul 18, 2012
- Affected: fixed in 2.4.3.

### [CVE-2012-2139](https://cve.now/CVE-2012-2139): Directory traversal vulnerability in lib/mail/network/delivery\_methods/file\_delivery.rb in the Mail gem before 2.4.4 for Ruby allows…

- Severity: Unrated
- Published: Jul 18, 2012
- Affected: fixed in 2.4.4.

### [CVE-2011-0739](https://cve.now/CVE-2011-0739): The deliver function in the sendmail delivery agent (lib/mail/network/delivery\_methods/sendmail.rb) in Ruby Mail gem 2.2.14 and earlier…

- Severity: Unrated
- Published: Feb 2, 2011
- Affected: fixed in 2.2.15.

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