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Date: Fri, 14 May 2021 15:16:37 -0400
From: Ana McTaggart <>
Subject: CVE-2021-3531: Ceph: RGW unauthenticated denial of service

A flaw was found in the Red Hat Ceph Storage RGW. When processing a GET
Request for a swift URL that ends with two slashes it can cause the rgw to
crash, resulting in a denial of service.

We have assigned it a CVE of CVE-2021-3531 and a patch is attached.

Fixes may be found here:


Ana McTaggart

Red Hat Product Security

Red Hat Remote <> for urgent response

M: +1 (774)279-0791 <7742790791>     IM: amctagga


Content of type "text/html" skipped

Download attachment "0001-rgw-sanitize-r-in-s3-CORSConfiguration-s-ExposeHeade.patch" of type "application/x-patch" (1265 bytes)

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