CVE-2015-9097

medium
Published 2015-12-09 · Modified 2024-02-16
CVSS v3
6.1
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS v2
4.3
VIR risk
6.1

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.

Predictions

Exploit likelihood
71%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2015-9097

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://rubysec.com/advisories/mail-OSVDB-131677

OS impact

OSVersionStatusFixed in
debian debianbookwormfixed2.6.1+dfsg1-1
debian debianbullseyefixed2.6.1+dfsg1-1
debian debianforkyfixed2.6.1+dfsg1-1
debian debiansidfixed2.6.1+dfsg1-1
debian debiantrixiefixed2.6.1+dfsg1-1

Package impact

EcosystemPackageVulnerableFixed
ruby RubyGemsmail<>= 2.5.5>= 2.5.5
ruby RubyGemsmail<2.5.52.5.5

Application impact

VendorProductVersionsFixed
mail_projectmail{"endIncluding":"2.5.4"}

References

CWEs

CWE-93

Verify integrity in audit chain (admin only). AS-IS.