CVE-2018-16846: Canonical Ubuntu Linux

Medium severity, CVSS 6.5. EPSS: 2.1% chance of exploitation in the next 30 days.

It was found in Ceph versions before 13.2.4 that authenticated ceph RGW users can cause a denial of service against OMAPs holding bucket indices.

Affected products

• Canonical Ubuntu Linux: version 16.04 only; version 18.10 only; version 19.04 only
• Debian Debian Linux: version 8.0 only; version 9.0 only
• Opensuse Leap: version 15.0 only
• Red Hat Ceph: before 13.2.4 (fixed in 13.2.4)
• Red Hat Ceph Storage: version 2.0 only; version 3.0 only
• Red Hat Enterprise Linux Server: version 7.0 only

Published 2019-01-15. Last modified 2026-06-17.