{"id":"UBUNTU-CVE-2021-3905","details":"A memory leak was found in Open vSwitch (OVS) during userspace IP fragmentation processing. An attacker could use this flaw to potentially exhaust available memory by keeping sending packet fragments.","modified":"2026-02-04T02:58:43.419466Z","published":"2021-11-08T00:00:00Z","withdrawn":"2025-07-18T16:46:31Z","related":["USN-5242-1"],"upstream":["CVE-2021-3905"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-3905"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5242-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-3905"}],"affected":[{"package":{"name":"openvswitch","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/openvswitch@2.9.8-0ubuntu0.18.04.2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.8-0ubuntu0.18.04.2"}]}],"versions":["2.8.0-0ubuntu2","2.8.1-0ubuntu2","2.8.1-0ubuntu3","2.9.0~git20180205.5a39582ca-0ubuntu1","2.9.0-0ubuntu1","2.9.2-0ubuntu0.18.04.2","2.9.2-0ubuntu0.18.04.3","2.9.5-0ubuntu0.18.04.1","2.9.7-0ubuntu0.18.04.2"],"ecosystem_specific":{"availability":"No subscription 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subscription 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