CVE-2016-9579: Red Hat Ceph Storage

High severity, CVSS 7.5. EPSS: 4.3% chance of exploitation in the next 30 days.

A flaw was found in the way Ceph Object Gateway would process cross-origin HTTP requests if the CORS policy was set to allow origin on a bucket. A remote unauthenticated attacker could use this flaw to cause denial of service by sending a specially-crafted cross-origin HTTP request. Ceph branches 1.3.x and 2.x are affected.

Affected products

• Red Hat Ceph Storage: version 1.3 only; version 2.0 only
• Red Hat Ceph Storage Mon: version 1.3 only; version 2 only
• Red Hat Ceph Storage Osd: version 1.3 only; version 2 only
• Red Hat Enterprise Linux Desktop: version 7.0 only
• Red Hat Enterprise Linux Server: version 7.0 only
• Red Hat Enterprise Linux Workstation: version 7.0 only

Published 2018-08-01. Last modified 2026-06-17.