{"id":"CVE-2015-9097","aliases":["DEBIAN-CVE-2015-9097","DLA-489-1","EUVD-2017-0290","GHSA-q86f-fmqf-qrf6","UBUNTU-CVE-2015-9097"],"status":"published","title":"Mail Gem CRLF Injection vulnerability","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.","severity":{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.03396,"percentile":0.88912,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-93"],"published":"2016-05-25T00:00:00Z","modified":"2026-09-09T07:02:07Z","fixes":[{"ecosystem":"RubyGems","package":"mail","fixed_in":["2.5.5"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:12","package":"ruby-mail","fixed_in":["2.6.1+dfsg1-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"ruby-mail","fixed_in":["2.6.1+dfsg1-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"ruby-mail","fixed_in":["2.6.1+dfsg1-1"],"sources":["osv"]},{"ecosystem":"Debian:7","package":"ruby-mail","fixed_in":["2.4.4-2+deb7u1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"RubyGems","package":"mail","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.5"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"ruby-mail","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.1+dfsg1-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"ruby-mail","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.1+dfsg1-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"ruby-mail","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.1+dfsg1-1"}]}]},{"source":"osv","ecosystem":"Debian:7","package":"ruby-mail","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.4-2+deb7u1"}]}],"versions":["2.4.4-2"]},{"source":"osv","ecosystem":"RubyGems","package":"mail","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.5"}]}],"versions":["1.0.0","1.1.0","1.2.1","1.2.5","1.2.6","1.2.8","1.2.9","1.3.0","1.3.1","1.3.2","1.3.3","1.3.4","1.3.5","1.4.0","1.4.1","1.4.2","1.4.3","1.5.0","1.5.1","1.5.2","1.5.3","1.5.4","1.6.0","2.0.3","2.0.5","2.1.0","2.1.1","2.1.2","2.1.3","2.1.5","2.1.5.1","2.1.5.2","2.1.5.3","2.2.0","2.2.1","2.2.10","2.2.11","2.2.12","2.2.13","2.2.14","2.2.15","2.2.16","2.2.17","2.2.18","2.2.19","2.2.2","2.2.20","2.2.3","2.2.4","2.2.5","2.2.5.1","2.2.5.2","2.2.6","2.2.6.1","2.2.7","2.2.9","2.2.9.1","2.3.0","2.3.2","2.3.3","2.4.0","2.4.1","2.4.3","2.4.4","2.5.2","2.5.3","2.5.4","2.5.5.rc1"]}],"products":[{"vendor":"mail_project","product":"mail"}],"references":[{"url":"https://github.com/mikel/mail/pull/1097","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Third Party Advisory","advisory","report","web"]},{"url":"https://hackerone.com/reports/137631","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Third Party Advisory","advisory","report","web"]},{"url":"https://github.com/mikel/mail/commit/72befdc4dab3e6e288ce226a7da2aa474cf5be83","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","advisory","evidence","web"]},{"url":"http://openwall.com/lists/oss-security/2015/12/11/3","tags":["x_refsource_MISC","x_transferred","Mailing List","Third Party Advisory","advisory","article","web","report"]},{"url":"https://rubysec.com/advisories/mail-OSVDB-131677","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Vendor Advisory","advisory","report","web"]},{"url":"https://github.com/rubysec/ruby-advisory-db/issues/215","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Third Party Advisory","advisory","report","web"]},{"url":"http://www.mbsd.jp/Whitepaper/smtpi.pdf","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-9097","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-q86f-fmqf-qrf6","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2015-9097","tags":["advisory"]},{"url":"https://github.com/mikel/mail","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2015-9097","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2015-9097","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2015-9097","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.","status":"published","published":"2017-06-12T20:00:00Z","modified":"2024-09-17T03:28:30.346Z","updated_at":"2026-11-02T14:35:40.591596Z"}],"euvd":[{"id":"EUVD-2017-0290","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.","status":"published","published":"2017-06-12T20:00:00Z","modified":"2024-09-17T03:28:30Z","updated_at":"2026-11-03T00:28:31.565881Z"}],"ghsa":[{"id":"GHSA-q86f-fmqf-qrf6","title":"Mail Gem CRLF Injection vulnerability","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.","status":"published","published":"2017-10-24T18:33:36Z","modified":"2023-09-05T21:08:33Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-93"],"updated_at":"2026-11-02T14:37:02.095916Z"}],"nvd":[{"id":"CVE-2015-9097","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.","status":"published","published":"2017-06-12T20:29:00.237Z","modified":"2026-06-17T00:35:48.177Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-93"],"updated_at":"2026-11-02T14:03:17.730372Z"}],"osv":[{"id":"CVE-2015-9097","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.","status":"published","published":"2017-06-12T20:29:00Z","modified":"2026-04-10T03:45:38.075694Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:01.068991Z"},{"id":"DEBIAN-CVE-2015-9097","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.","status":"published","published":"2017-06-12T20:29:00.237Z","modified":"2026-09-09T07:02:07.797172003Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:45:27.323751Z"},{"id":"GHSA-q86f-fmqf-qrf6","title":"Mail Gem CRLF Injection vulnerability","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.","status":"published","published":"2017-10-24T18:33:36Z","modified":"2024-02-16T08:18:19.574996Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-93"],"updated_at":"2026-11-02T15:46:54.40888Z"},{"id":"UBUNTU-CVE-2015-9097","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.","status":"withdrawn","published":"2017-06-12T20:29:00Z","modified":"2025-07-16T08:11:53.474407Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:54:11.100633Z"},{"id":"DLA-489-1","title":"ruby-mail - security update","status":"published","published":"2016-05-25T00:00:00Z","modified":"2026-03-09T02:11:42.560306Z","updated_at":"2026-11-02T15:46:13.207219Z"}]}}