{"id":"USN-3841-1","summary":"lxml vulnerability","details":"It was discovered that lxml incorrectly handled certain HTML files.\nAn attacker could possibly use this issue to conduct cross-site scripting\n(XSS) attacks.\n","modified":"2026-02-10T04:41:27Z","published":"2018-12-10T12:03:21Z","related":["UBUNTU-CVE-2018-19787"],"upstream":["CVE-2018-19787","UBUNTU-CVE-2018-19787"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3841-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-19787"}],"affected":[{"package":{"name":"lxml","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/lxml@3.3.3-1ubuntu0.2?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3.3-1ubuntu0.2"}]}],"versions":["3.2.0-1","3.3.0~beta2-1","3.3.0~beta4-1","3.3.1-1","3.3.2-1","3.3.2-1build1","3.3.3-1","3.3.3-1ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.3.3-1ubuntu0.2","binary_name":"python-lxml"},{"binary_version":"3.3.3-1ubuntu0.2","binary_name":"python3-lxml"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2018-19787","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:14.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3841-1.json"}},{"package":{"name":"lxml","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/lxml@3.5.0-1ubuntu0.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.0-1ubuntu0.1"}]}],"versions":["3.4.4-1","3.5.0-1","3.5.0-1build1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.5.0-1ubuntu0.1","binary_name":"python-lxml"},{"binary_version":"3.5.0-1ubuntu0.1","binary_name":"python3-lxml"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2018-19787","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3841-1.json"}},{"package":{"name":"lxml","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/lxml@4.2.1-1ubuntu0.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.2.1-1ubuntu0.1"}]}],"versions":["4.0.0-1","4.1.0-1","4.2.0-1","4.2.1-1"],"ecosystem_specific":{"binaries":[{"binary_version":"4.2.1-1ubuntu0.1","binary_name":"python-lxml"},{"binary_version":"4.2.1-1ubuntu0.1","binary_name":"python3-lxml"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2018-19787","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:18.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3841-1.json"}}],"schema_version":"1.7.3"}