{"id":"UBUNTU-CVE-2021-3531","details":"A flaw was found in the Red Hat Ceph Storage RGW in versions before 14.2.21. 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. The greatest threat to the system is of availability.","modified":"2026-04-22T14:49:09.581741Z","published":"2021-05-18T12:15:00Z","related":["USN-4998-1","USN-5128-1"],"upstream":["CVE-2021-3531"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-3531"},{"type":"REPORT","url":"https://www.openwall.com/lists/oss-security/2021/05/14/5"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4998-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5128-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-3531"}],"affected":[{"package":{"name":"ceph","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/ceph@12.2.13-0ubuntu0.18.04.10?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"12.2.13-0ubuntu0.18.04.10"}]}],"versions":["12.2.0-0ubuntu1","12.2.1-0ubuntu1","12.2.2-0ubuntu1","12.2.2-0ubuntu2","12.2.4-0ubuntu1","12.2.4-0ubuntu1.1","12.2.7-0ubuntu0.18.04.1","12.2.8-0ubuntu0.18.04.1","12.2.8-0ubuntu0.18.04.2","12.2.11-0ubuntu0.18.04.1","12.2.11-0ubuntu0.18.04.2","12.2.12-0ubuntu0.18.04.1","12.2.12-0ubuntu0.18.04.2","12.2.12-0ubuntu0.18.04.3","12.2.12-0ubuntu0.18.04.4","12.2.12-0ubuntu0.18.04.5","12.2.13-0ubuntu0.18.04.2","12.2.13-0ubuntu0.18.04.3","12.2.13-0ubuntu0.18.04.4","12.2.13-0ubuntu0.18.04.5","12.2.13-0ubuntu0.18.04.6","12.2.13-0ubuntu0.18.04.7","12.2.13-0ubuntu0.18.04.8"],"ecosystem_specific":{"availability":"No 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