CVE-2017-1000116: Debian Linux

Critical severity, CVSS 9.8. EPSS: 6.3% chance of exploitation in the next 30 days.

Mercurial prior to 4.3 did not adequately sanitize hostnames passed to ssh, leading to possible shell-injection attacks.

Affected products

• Debian Debian Linux: version 8.0 only; version 9.0 only
• Mercurial Mercurial: before 4.3 (fixed in 4.3)
• 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 7.4 only; version 7.6 only
• Red Hat Enterprise Linux Workstation: version 7.0 only

Published 2017-10-05. Last modified 2026-06-17.