CVE-2018-5704: Debian Linux

Critical severity, CVSS 9.6. EPSS: 4.6% chance of exploitation in the next 30 days.

Open On-Chip Debugger (OpenOCD) 0.10.0 does not block attempts to use HTTP POST for sending data to 127.0.0.1 port 4444, which allows remote attackers to conduct cross-protocol scripting attacks, and consequently execute arbitrary commands, via a crafted web site.

Affected products

• Debian Debian Linux: version 8.0 only; version 9.0 only
• Openocd Open On-Chip Debugger: version 0.10.0 only

Published 2018-01-16. Last modified 2026-06-17.