{"id":"USN-3504-1","summary":"libxml2 vulnerability","details":"Wei Lei discovered that libxml2 incorrecty handled certain parameter\nentities. An attacker could use this issue with specially constructed XML\ndata to cause libxml2 to consume resources, leading to a denial of service.\n","modified":"2026-02-10T04:41:15Z","published":"2017-12-05T13:44:14Z","related":["UBUNTU-CVE-2017-16932"],"upstream":["CVE-2017-16932","UBUNTU-CVE-2017-16932"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3504-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-16932"}],"affected":[{"package":{"name":"libxml2","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/libxml2@2.9.1+dfsg1-3ubuntu4.11?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.1+dfsg1-3ubuntu4.11"}]}],"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"],"ecosystem_specific":{"binaries":[{"binary_name":"libxml2","binary_version":"2.9.1+dfsg1-3ubuntu4.11"},{"binary_name":"libxml2-dev","binary_version":"2.9.1+dfsg1-3ubuntu4.11"},{"binary_name":"libxml2-utils","binary_version":"2.9.1+dfsg1-3ubuntu4.11"},{"binary_name":"python-libxml2","binary_version":"2.9.1+dfsg1-3ubuntu4.11"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3504-1.json","cves_map":{"cves":[{"id":"CVE-2017-16932","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:14.04:LTS"}}},{"package":{"name":"libxml2","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libxml2@2.9.3+dfsg1-1ubuntu0.4?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.3+dfsg1-1ubuntu0.4"}]}],"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"],"ecosystem_specific":{"binaries":[{"binary_name":"libxml2","binary_version":"2.9.3+dfsg1-1ubuntu0.4"},{"binary_name":"libxml2-dev","binary_version":"2.9.3+dfsg1-1ubuntu0.4"},{"binary_name":"libxml2-utils","binary_version":"2.9.3+dfsg1-1ubuntu0.4"},{"binary_name":"python-libxml2","binary_version":"2.9.3+dfsg1-1ubuntu0.4"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3504-1.json","cves_map":{"cves":[{"id":"CVE-2017-16932","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:16.04:LTS"}}}],"schema_version":"1.7.3"}