CVE-2015-4022: Apple Mac OS X

High severity, CVSS 7.5. EPSS: 20.8% chance of exploitation in the next 30 days.

Integer overflow in the ftp_genlist function in ext/ftp/ftp.c in PHP before 5.4.41, 5.5.x before 5.5.25, and 5.6.x before 5.6.9 allows remote FTP servers to execute arbitrary code via a long reply to a LIST command, leading to a heap-based buffer overflow.

Affected products

• Apple Mac OS X: up to and including 10.10.4
• PHP PHP: up to and including 5.4.40; version 5.4.39 only; version 5.5.0 only; version 5.5.1 only; version 5.5.2 only; version 5.5.3 only; …
• Red Hat Enterprise Linux: version 6.0 only; version 7.0 only
• Red Hat Enterprise Linux Desktop: version 7.0 only
• Red Hat Enterprise Linux Hpc Node: version 7.0 only
• Red Hat Enterprise Linux Hpc Node Eus: version 7.1 only
• Red Hat Enterprise Linux Server: version 7.0 only
• Red Hat Enterprise Linux Server Eus: version 7.1 only
• Red Hat Enterprise Linux Workstation: version 7.0 only

Published 2015-06-09. Last modified 2026-06-17.