{"id":"UBUNTU-CVE-2026-19617","details":"A flaw was found in libdm. A local attacker could craft a malicious Logical Volume Manager (LVM) metadata configuration with deeply nested structures. This could lead to uncontrolled recursion in the libdm configuration file parser, exhausting the stack and causing any LVM command reading the metadata to crash. This vulnerability results in a Denial of Service (DoS) for affected systems.","modified":"2026-08-19T11:01:27Z","published":"2026-08-14T06:17:00Z","upstream":["CVE-2026-19617"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-19617"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-19617"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-19617"}],"affected":[{"package":{"name":"lvm2","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/lvm2?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.02.98-6ubuntu1","2.02.98-6ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_version":"2.02.98-6ubuntu2","binary_name":"clvm"},{"binary_version":"2:1.02.77-6ubuntu2","binary_name":"dmeventd"},{"binary_version":"2:1.02.77-6ubuntu2","binary_name":"dmsetup"},{"binary_name":"libdevmapper-event1.02.1","binary_version":"2:1.02.77-6ubuntu2"},{"binary_name":"libdevmapper1.02.1","binary_version":"2:1.02.77-6ubuntu2"},{"binary_name":"liblvm2app2.2","binary_version":"2.02.98-6ubuntu2"},{"binary_name":"liblvm2cmd2.02","binary_version":"2.02.98-6ubuntu2"},{"binary_name":"lvm2","binary_version":"2.02.98-6ubuntu2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-19617.json"}},{"package":{"name":"lvm2","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/lvm2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.02.122-1ubuntu1","2.02.133-1ubuntu1","2.02.133-1ubuntu2","2.02.133-1ubuntu3","2.02.133-1ubuntu4","2.02.133-1ubuntu5","2.02.133-1ubuntu7","2.02.133-1ubuntu8","2.02.133-1ubuntu9","2.02.133-1ubuntu10"],"ecosystem_specific":{"binaries":[{"binary_name":"clvm","binary_version":"2.02.133-1ubuntu10"},{"binary_name":"dmeventd","binary_version":"2:1.02.110-1ubuntu10"},{"binary_name":"dmsetup","binary_version":"2:1.02.110-1ubuntu10"},{"binary_version":"2:1.02.110-1ubuntu10","binary_name":"libdevmapper-event1.02.1"},{"binary_version":"2:1.02.110-1ubuntu10","binary_name":"libdevmapper1.02.1"},{"binary_version":"2.02.133-1ubuntu10","binary_name":"liblvm2app2.2"},{"binary_name":"liblvm2cmd2.02","binary_version":"2.02.133-1ubuntu10"},{"binary_name":"lvm2","binary_version":"2.02.133-1ubuntu10"},{"binary_version":"2.02.133-1ubuntu10","binary_name":"python-lvm2"},{"binary_name":"python3-lvm2","binary_version":"2.02.133-1ubuntu10"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-19617.json"}},{"package":{"name":"lvm2","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/lvm2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.02.168-2ubuntu3","2.02.176-4.1ubuntu2","2.02.176-4.1ubuntu3","2.02.176-4.1ubuntu3.18.04.1","2.02.176-4.1ubuntu3.18.04.2","2.02.176-4.1ubuntu3.18.04.3"],"ecosystem_specific":{"binaries":[{"binary_version":"2.02.176-4.1ubuntu3.18.04.3","binary_name":"clvm"},{"binary_version":"2:1.02.145-4.1ubuntu3.18.04.3","binary_name":"dmeventd"},{"binary_name":"dmsetup","binary_version":"2:1.02.145-4.1ubuntu3.18.04.3"},{"binary_name":"libdevmapper-event1.02.1","binary_version":"2:1.02.145-4.1ubuntu3.18.04.3"},{"binary_name":"libdevmapper1.02.1","binary_version":"2:1.02.145-4.1ubuntu3.18.04.3"},{"binary_name":"liblvm2app2.2","binary_version":"2.02.176-4.1ubuntu3.18.04.3"},{"binary_version":"2.02.176-4.1ubuntu3.18.04.3","binary_name":"liblvm2cmd2.02"},{"binary_name":"lvm2","binary_version":"2.02.176-4.1ubuntu3.18.04.3"},{"binary_name":"lvm2-dbusd","binary_version":"2.02.176-4.1ubuntu3.18.04.3"},{"binary_version":"2.02.176-4.1ubuntu3.18.04.3","binary_name":"lvm2-lockd"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-19617.json"}},{"package":{"name":"lvm2","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/lvm2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.03.02-2ubuntu6","2.03.02-2ubuntu7","2.03.02-2ubuntu8","2.03.07-1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"dmeventd","binary_version":"2:1.02.167-1ubuntu1"},{"binary_version":"2:1.02.167-1ubuntu1","binary_name":"dmsetup"},{"binary_version":"2:1.02.167-1ubuntu1","binary_name":"libdevmapper-event1.02.1"},{"binary_version":"2:1.02.167-1ubuntu1","binary_name":"libdevmapper1.02.1"},{"binary_version":"2.03.07-1ubuntu1","binary_name":"liblvm2cmd2.03"},{"binary_version":"2.03.07-1ubuntu1","binary_name":"lvm2"},{"binary_name":"lvm2-dbusd","binary_version":"2.03.07-1ubuntu1"},{"binary_name":"lvm2-lockd","binary_version":"2.03.07-1ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-19617.json"}},{"package":{"name":"lvm2","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/lvm2?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"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