CVE-2017-1000115: Debian Linux

High severity, CVSS 7.5. EPSS: 4.8% chance of exploitation in the next 30 days.

Mercurial prior to version 4.3 is vulnerable to a missing symlink check that can malicious repositories to modify files outside the repository

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.