CVE-2019-12450: Canonical Ubuntu Linux

Critical severity, CVSS 9.8. EPSS: 2.6% chance of exploitation in the next 30 days.

file_copy_fallback in gio/gfile.c in GNOME GLib 2.15.0 through 2.61.1 does not properly restrict file permissions while a copy operation is in progress. Instead, default permissions are used.

Affected products

• Canonical Ubuntu Linux: version 12.04 only; version 14.04 only; version 16.04 only; version 18.04 only; version 18.10 only; version 19.04 only
• Debian Debian Linux: version 8.0 only
• Fedoraproject Fedora: version 30 only
• Gnome Glib: from 2.15.0, up to and including 2.61.1
• Opensuse Leap: version 15.0 only
• Red Hat Enterprise Linux: version 8.0 only
• Red Hat Enterprise Linux Eus: version 8.1 only; version 8.2 only; version 8.4 only; version 8.6 only
• Red Hat Enterprise Linux Server Aus: version 8.2 only; version 8.4 only; version 8.6 only
• Red Hat Enterprise Linux Server Tus: version 8.2 only; version 8.4 only; version 8.6 only

Published 2019-05-29. Last modified 2026-06-17.