CVE-2015-7852: Debian Linux

Medium severity, CVSS 5.9. EPSS: 12.3% chance of exploitation in the next 30 days.

ntpq in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (crash) via crafted mode 6 response packets.

Affected products

• Debian Debian Linux: version 7.0 only; version 8.0 only; version 9.0 only
• Netapp Clustered Data Ontap: affected versions not specified
• Netapp Data Ontap: affected versions not specified
• Netapp Oncommand Balance: affected versions not specified
• Netapp Oncommand Performance Manager: affected versions not specified
• Netapp Oncommand Unified Manager: affected versions not specified
• Ntp Ntp: from 4.2.0, before 4.2.8 (fixed in 4.2.8); from 4.3.0, before 4.3.77 (fixed in 4.3.77); version 4.2.8 only
• Oracle Linux: version 6 only
• Red Hat Enterprise Linux Desktop: version 6.0 only; version 7.0 only
• Red Hat Enterprise Linux Server: version 6.0 only; version 7.0 only
• Red Hat Enterprise Linux Server Aus: version 7.3 only; version 7.4 only; version 7.6 only; version 7.7 only
• Red Hat Enterprise Linux Server Eus: version 7.3 only; version 7.4 only; version 7.5 only; version 7.6 only; version 7.7 only
• Red Hat Enterprise Linux Server Tus: version 7.3 only; version 7.6 only; version 7.7 only
• Red Hat Enterprise Linux Workstation: version 6.0 only; version 7.0 only

Published 2017-08-07. Last modified 2026-06-17.