{"id":"UBUNTU-CVE-2016-9318","details":"libxml2 2.9.4 and earlier, as used in XMLSec 1.2.23 and earlier and other products, does not offer a flag directly indicating that the current document may be read but other files may not be opened, which makes it easier for remote attackers to conduct XML External Entity (XXE) attacks via a crafted document.","modified":"2026-02-04T03:52:07.793399Z","published":"2016-11-15T00:00:00Z","related":["USN-3739-1","USN-3739-2"],"upstream":["CVE-2016-9318"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-9318"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3739-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3739-2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2016-9318"}],"affected":[{"package":{"name":"libxml2","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/libxml2@2.9.1+dfsg1-3ubuntu4.13?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.1+dfsg1-3ubuntu4.13"}]}],"versions":["2.9.1+dfsg1-3ubuntu2","2.9.1+dfsg1-3ubuntu3","2.9.1+dfsg1-3ubuntu4","2.9.1+dfsg1-3ubuntu4.1","2.9.1+dfsg1-3ubuntu4.2","2.9.1+dfsg1-3ubuntu4.3","2.9.1+dfsg1-3ubuntu4.4","2.9.1+dfsg1-3ubuntu4.5","2.9.1+dfsg1-3ubuntu4.6","2.9.1+dfsg1-3ubuntu4.7","2.9.1+dfsg1-3ubuntu4.8","2.9.1+dfsg1-3ubuntu4.9","2.9.1+dfsg1-3ubuntu4.10","2.9.1+dfsg1-3ubuntu4.11","2.9.1+dfsg1-3ubuntu4.12"],"ecosystem_specific":{"binaries":[{"binary_version":"2.9.1+dfsg1-3ubuntu4.13","binary_name":"libxml2"},{"binary_version":"2.9.1+dfsg1-3ubuntu4.13","binary_name":"libxml2-dev"},{"binary_version":"2.9.1+dfsg1-3ubuntu4.13","binary_name":"libxml2-utils"},{"binary_version":"2.9.1+dfsg1-3ubuntu4.13","binary_name":"python-libxml2"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-9318.json"}},{"package":{"name":"libxml2","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libxml2@2.9.3+dfsg1-1ubuntu0.6?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.3+dfsg1-1ubuntu0.6"}]}],"versions":["2.9.2+zdfsg1-4","2.9.2+zdfsg1-4ubuntu1","2.9.2+zdfsg1-4ubuntu2","2.9.2+zdfsg1-4ubuntu3","2.9.3+dfsg1-1","2.9.3+dfsg1-1ubuntu0.1","2.9.3+dfsg1-1ubuntu0.2","2.9.3+dfsg1-1ubuntu0.3","2.9.3+dfsg1-1ubuntu0.4","2.9.3+dfsg1-1ubuntu0.5"],"ecosystem_specific":{"binaries":[{"binary_version":"2.9.3+dfsg1-1ubuntu0.6","binary_name":"libxml2"},{"binary_version":"2.9.3+dfsg1-1ubuntu0.6","binary_name":"libxml2-dev"},{"binary_version":"2.9.3+dfsg1-1ubuntu0.6","binary_name":"libxml2-utils"},{"binary_version":"2.9.3+dfsg1-1ubuntu0.6","binary_name":"python-libxml2"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-9318.json"}},{"package":{"name":"libxml2","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libxml2@2.9.4+dfsg1-6.1ubuntu1.2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.4+dfsg1-6.1ubuntu1.2"}]}],"versions":["2.9.4+dfsg1-4ubuntu1","2.9.4+dfsg1-5ubuntu1","2.9.4+dfsg1-5ubuntu2","2.9.4+dfsg1-5.1ubuntu1","2.9.4+dfsg1-5.2ubuntu1","2.9.4+dfsg1-6.1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.9.4+dfsg1-6.1ubuntu1.2","binary_name":"libxml2"},{"binary_version":"2.9.4+dfsg1-6.1ubuntu1.2","binary_name":"libxml2-dev"},{"binary_version":"2.9.4+dfsg1-6.1ubuntu1.2","binary_name":"libxml2-utils"},{"binary_version":"2.9.4+dfsg1-6.1ubuntu1.2","binary_name":"python-libxml2"},{"binary_version":"2.9.4+dfsg1-6.1ubuntu1.2","binary_name":"python3-libxml2"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-9318.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"low"}]}