{"id":"UBUNTU-CVE-2018-11761","details":"In Apache Tika 0.1 to 1.18, the XML parsers were not configured to limit entity expansion. They were therefore vulnerable to an entity expansion vulnerability which can lead to a denial of service attack.","modified":"2026-05-20T16:03:22.604749601Z","published":"2018-09-19T14:29:00Z","upstream":["CVE-2018-11761"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-11761"},{"type":"REPORT","url":"https://www.openwall.com/lists/oss-security/2018/09/19/4"},{"type":"REPORT","url":"https://lists.apache.org/thread.html/5553e10bba5604117967466618f219c0cae710075819c70cfb3fb421@%3Cdev.tika.apache.org%3E"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-11761"}],"affected":[{"package":{"name":"tika","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/tika?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.5-2","1.5-3","1.5-4","1.5-4ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_name":"libtika-java","binary_version":"1.5-4ubuntu0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-11761.json"}},{"package":{"name":"tika","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/tika?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.5-5"],"ecosystem_specific":{"binaries":[{"binary_name":"libtika-java","binary_version":"1.5-5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-11761.json"}},{"package":{"name":"tika","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/tika?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.22-2"],"ecosystem_specific":{"binaries":[{"binary_name":"libtika-java","binary_version":"1.22-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-11761.json"}},{"package":{"name":"tika","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/tika?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.22-2"],"ecosystem_specific":{"binaries":[{"binary_name":"libtika-java","binary_version":"1.22-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-11761.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}]}