{"id":"USN-4201-1","summary":"ruby2.3, ruby2.5 vulnerabilities","details":"It was discovered that Ruby incorrectly handled certain files.\nAn attacker could possibly use this issue to pass path matching\nwhat can lead to an unauthorized access. (CVE-2019-15845)\n\nIt was discovered that Ruby incorrectly handled certain regular expressions.\nAn attacker could use this issue to cause a denial of service.\n(CVE-2019-16201)\n\nIt was discovered that Ruby incorrectly handled certain HTTP headers.\nAn attacker could possibly use this issue to execute arbitrary code.\n(CVE-2019-16254)\n\nIt was discovered that Ruby incorrectly handled certain inputs.\nAn attacker could possibly use this issue to execute arbitrary code.\n(CVE-2019-16255)\n","modified":"2026-02-10T04:41:42Z","published":"2019-11-26T14:48:39Z","related":["UBUNTU-CVE-2019-15845","UBUNTU-CVE-2019-16201","UBUNTU-CVE-2019-16254","UBUNTU-CVE-2019-16255"],"upstream":["CVE-2019-15845","CVE-2019-16201","CVE-2019-16254","CVE-2019-16255","UBUNTU-CVE-2019-15845","UBUNTU-CVE-2019-16201","UBUNTU-CVE-2019-16254","UBUNTU-CVE-2019-16255"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4201-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-15845"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-16201"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-16254"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-16255"}],"affected":[{"package":{"name":"ruby2.3","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/ruby2.3@2.3.1-2~ubuntu16.04.14?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.1-2~ubuntu16.04.14"}]}],"versions":["2.3.0-1","2.3.0-2","2.3.0-4ubuntu2","2.3.0-4ubuntu3","2.3.0-5ubuntu1","2.3.1-2~16.04","2.3.1-2~16.04.2","2.3.1-2~16.04.4","2.3.1-2~16.04.5","2.3.1-2~16.04.6","2.3.1-2~16.04.7","2.3.1-2~16.04.9","2.3.1-2~16.04.10","2.3.1-2~16.04.11","2.3.1-2~16.04.12","2.3.1-2~ubuntu16.04.13"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"2.3.1-2~ubuntu16.04.14","binary_name":"libruby2.3"},{"binary_version":"2.3.1-2~ubuntu16.04.14","binary_name":"ruby2.3"},{"binary_version":"2.3.1-2~ubuntu16.04.14","binary_name":"ruby2.3-dev"},{"binary_version":"2.3.1-2~ubuntu16.04.14","binary_name":"ruby2.3-tcltk"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2019-15845","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2019-16201","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2019-16254","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2019-16255","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4201-1.json"}},{"package":{"name":"ruby2.5","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/ruby2.5@2.5.1-1ubuntu1.6?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.1-1ubuntu1.6"}]}],"versions":["2.5.0~preview1-1ubuntu2","2.5.0-4ubuntu1","2.5.0-4ubuntu4","2.5.0-5ubuntu1","2.5.0-6ubuntu1","2.5.1-1ubuntu1","2.5.1-1ubuntu1.1","2.5.1-1ubuntu1.2","2.5.1-1ubuntu1.4","2.5.1-1ubuntu1.5"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"2.5.1-1ubuntu1.6","binary_name":"libruby2.5"},{"binary_version":"2.5.1-1ubuntu1.6","binary_name":"ruby2.5"},{"binary_version":"2.5.1-1ubuntu1.6","binary_name":"ruby2.5-dev"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2019-15845","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2019-16201","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2019-16254","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2019-16255","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:18.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4201-1.json"}}],"schema_version":"1.7.3"}