CVE-2017-9461: Debian Linux

Medium severity, CVSS 6.5. EPSS: 4.2% chance of exploitation in the next 30 days.

smbd in Samba before 4.4.10 and 4.5.x before 4.5.6 has a denial of service vulnerability (fd_open_atomic infinite loop with high CPU usage and memory consumption) due to wrongly handling dangling symlinks.

Affected products

• Debian Debian Linux: version 8.0 only
• Red Hat Enterprise Linux Desktop: version 7.0 only
• Red Hat Enterprise Linux Server: version 7.0 only
• Red Hat Enterprise Linux Server Aus: version 7.4 only; version 7.6 only
• Red Hat Enterprise Linux Server Eus: version 7.4 only; version 7.5 only; version 7.6 only
• Red Hat Enterprise Linux Server Tus: version 7.6 only
• Red Hat Enterprise Linux Workstation: version 7.0 only
• Samba Samba: up to and including 4.4.9; version 4.5.0 only; version 4.5.1 only; version 4.5.2 only; version 4.5.3 only; version 4.5.4 only; …

Published 2017-06-06. Last modified 2026-06-17.