CVE-2019-9898: Debian Linux

Critical severity, CVSS 9.8. EPSS: 3.9% chance of exploitation in the next 30 days.

Potential recycling of random numbers used in cryptography exists within PuTTY before 0.71.

Affected products

• Debian Debian Linux: version 8.0 only; version 9.0 only
• Fedoraproject Fedora: version 28 only; version 29 only
• Netapp Oncommand Unified Manager: affected versions not specified
• Opensuse Leap: version 15.0 only
• Putty Putty: before 0.71 (fixed in 0.71)

Published 2019-03-21. Last modified 2026-06-17.