CVE-2015-3154: Zend Framework

Medium severity, CVSS 6.1. EPSS: 1% chance of exploitation in the next 30 days.

CRLF injection vulnerability in Zend\Mail (Zend_Mail) in Zend Framework before 1.12.12, 2.x before 2.3.8, and 2.4.x before 2.4.1 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via CRLF sequences in the header of an email.

Affected products

• Zend Zend Framework: before 1.12.12 (fixed in 1.12.12); from 2.3.0, before 2.3.8 (fixed in 2.3.8); from 2.4.0, before 2.4.1 (fixed in 2.4.1)

Published 2020-01-27. Last modified 2026-06-17.