CVE-2015-9096
mediumpriority · track · 25EPSS 0.037 · 90 %ileDEEUUSEPSS · scored 2026-10-27
Net::SMTP in Ruby before 2.4.0 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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (8)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-1421Ruby: Mehrere SchwachstellenDeutsch2017-09-05csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Ruby ausnutzen, um falsche Informationen darzustellen, Systemdateien zu manipulieren oder beliebigen Programmcode zur Ausführung bringen.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (16)
External citations — patches, advisories, analysis.
- http://www.mbsd.jp/Whitepaper/smtpi.pdfcnnvd
- https://github.com/ruby/ruby/commit/0827a7e52ba3d957a634b063bf5a391239b9ffeecnnvd
- https://github.com/rubysec/ruby-advisory-db/issues/215cnnvd
- https://hackerone.com/reports/137631cnnvd
- http://www.mbsd.jp/Whitepaper/smtpi.pdfenisa_euvd
- https://github.com/ruby/ruby/commit/0827a7e52ba3d957a634b063bf5a391239b9ffeeenisa_euvd
- https://github.com/rubysec/ruby-advisory-db/issues/215enisa_euvd
- https://hackerone.com/reports/137631enisa_euvd
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