{"id":"UBUNTU-CVE-2018-10199","details":"In versions of mruby up to and including 1.4.0, a use-after-free vulnerability exists in src/io.c::File#initilialize_copy(). An attacker that can cause Ruby code to be run can possibly use this to execute arbitrary code.","modified":"2026-01-20T16:50:54.291975Z","published":"2018-04-18T15:29:00Z","upstream":["CVE-2018-10199"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-10199"},{"type":"REPORT","url":"https://github.com/mruby/mruby/commit/b51b21fc63c9805862322551387d9036f2b63433"},{"type":"REPORT","url":"https://github.com/mruby/mruby/issues/4001"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-10199"}],"affected":[{"package":{"name":"mruby","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/mruby@1.2.0+20160315+git4f20d58a-1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.0+20150817+gita1731254-1","1.1.0+20150906+git1cbbb7e1-1","1.2.0+20160315+git4f20d58a-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libmruby-dev","binary_version":"1.2.0+20160315+git4f20d58a-1"},{"binary_name":"mruby","binary_version":"1.2.0+20160315+git4f20d58a-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-10199.json"}},{"package":{"name":"mruby","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/mruby@1.4.0-1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.0-1","1.3.0+20170925+git38185028-1","1.3.0+20171029+git77edafb0-1","1.4.0-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libmruby-dev","binary_version":"1.4.0-1"},{"binary_name":"mruby","binary_version":"1.4.0-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-10199.json"}},{"package":{"name":"mruby","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/mruby@2.0.0-1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.0-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libmruby-dev","binary_version":"2.0.0-1"},{"binary_name":"mruby","binary_version":"2.0.0-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-10199.json"}},{"package":{"name":"mruby","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/mruby@3.0.0-3?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1.2-3","3.0.0-1","3.0.0-3"],"ecosystem_specific":{"binaries":[{"binary_name":"libmruby-dev","binary_version":"3.0.0-3"},{"binary_name":"mruby","binary_version":"3.0.0-3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-10199.json"}},{"package":{"name":"mruby","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/mruby@3.2.0-2?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.2.0-1","3.2.0-2"],"ecosystem_specific":{"binaries":[{"binary_name":"libmruby-dev","binary_version":"3.2.0-2"},{"binary_name":"mruby","binary_version":"3.2.0-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-10199.json"}},{"package":{"name":"mruby","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/mruby@3.3.0-1?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.3.0-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libmruby-dev","binary_version":"3.3.0-1"},{"binary_name":"mruby","binary_version":"3.3.0-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-10199.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}