CVE-2019-9924: Canonical Ubuntu Linux

High severity, CVSS 7.8. EPSS: 0.4% chance of exploitation in the next 30 days.

rbash in Bash before 4.4-beta2 did not prevent the shell user from modifying BASH_CMDS, thus allowing the user to execute any command with the permissions of the shell.

Affected products

• Canonical Ubuntu Linux: version 12.04 only; version 14.04 only; version 16.04 only
• Debian Debian Linux: version 8.0 only
• GNU Bash: before 4.4 (fixed in 4.4); version 4.4 only
• Netapp Hci Management Node: affected versions not specified
• Netapp Solidfire: affected versions not specified
• Opensuse Leap: version 42.3 only

Published 2019-03-22. Last modified 2026-06-17.