{"id":"UBUNTU-CVE-2026-45205","details":"Uncontrolled Recursion vulnerability in Apache Commons. When processing an untrusted configuration file, Commons Configuration will throw a StackOverflowError for YAML input with cycles. This issue affects Apache Commons: from 2.2 before 2.15.0. Users are recommended to upgrade to version 2.15.0, which fixes the issue.","modified":"2026-05-20T22:03:09.273236488Z","published":"2026-05-14T12:16:00Z","upstream":["CVE-2026-45205"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-45205"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-45205"},{"type":"REPORT","url":"https://www.openwall.com/lists/oss-security/2026/05/14/5"},{"type":"REPORT","url":"https://github.com/apache/commons-configuration/pull/634"},{"type":"REPORT","url":"https://github.com/apache/commons-configuration/commit/b51f6bf26e774f3416fdf782a5e1edf33f32ba82"},{"type":"REPORT","url":"https://lists.apache.org/thread/q3q3j10ohcqhs6o0rg1v7kz6kk27vtkk"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2026/05/14/5"}],"affected":[{"package":{"name":"commons-configuration","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/commons-configuration?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.9-1","1.10-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libcommons-configuration-java","binary_version":"1.10-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-45205.json"}},{"package":{"name":"commons-configuration","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/commons-configuration?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.10-3ubuntu1","1.10-4ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"libcommons-configuration-java","binary_version":"1.10-4ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-45205.json"}},{"package":{"name":"commons-configuration","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/commons-configuration?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.10-5"],"ecosystem_specific":{"binaries":[{"binary_name":"libcommons-configuration-java","binary_version":"1.10-5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-45205.json"}},{"package":{"name":"commons-configuration2","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/commons-configuration2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1.1-1","2.2-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libcommons-configuration2-java","binary_version":"2.2-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-45205.json"}},{"package":{"name":"commons-configuration","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/commons-configuration?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.10-5"],"ecosystem_specific":{"binaries":[{"binary_version":"1.10-5","binary_name":"libcommons-configuration-java"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-45205.json"}},{"package":{"name":"commons-configuration2","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/commons-configuration2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2-1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.2-1","binary_name":"libcommons-configuration2-java"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-45205.json"}},{"package":{"name":"commons-configuration","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/commons-configuration?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.10-5"],"ecosystem_specific":{"binaries":[{"binary_name":"libcommons-configuration-java","binary_version":"1.10-5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-45205.json"}},{"package":{"name":"commons-configuration2","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/commons-configuration2?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.7-2"],"ecosystem_specific":{"binaries":[{"binary_name":"libcommons-configuration2-java","binary_version":"2.7-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-45205.json"}},{"package":{"name":"commons-configuration","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/commons-configuration?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.10-6"],"ecosystem_specific":{"binaries":[{"binary_name":"libcommons-configuration-java","binary_version":"1.10-6"}]},"database_specific":{"source":"https://gi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