{"id":"USN-3424-1","summary":"libxml2 vulnerabilities","details":"It was discovered that a type confusion error existed in libxml2. An\nattacker could use this to specially construct XML data that\ncould cause a denial of service or possibly execute arbitrary\ncode. (CVE-2017-0663)\n\nIt was discovered that libxml2 did not properly validate parsed entity\nreferences. An attacker could use this to specially construct XML\ndata that could expose sensitive information. (CVE-2017-7375)\n\nIt was discovered that a buffer overflow existed in libxml2 when\nhandling HTTP redirects. An attacker could use this to specially\nconstruct XML data that could cause a denial of service or possibly\nexecute arbitrary code. (CVE-2017-7376)\n\nMarcel Böhme and Van-Thuan Pham discovered a buffer overflow in\nlibxml2 when handling elements. An attacker could use this to specially\nconstruct XML data that could cause a denial of service or possibly\nexecute arbitrary code. (CVE-2017-9047)\n\nMarcel Böhme and Van-Thuan Pham discovered a buffer overread\nin libxml2 when handling elements. An attacker could use this\nto specially construct XML data that could cause a denial of\nservice. (CVE-2017-9048)\n\nMarcel Böhme and Van-Thuan Pham discovered multiple buffer overreads\nin libxml2 when handling parameter-entity references. An attacker\ncould use these to specially construct XML data that could cause a\ndenial of service. (CVE-2017-9049, CVE-2017-9050)\n","modified":"2026-02-10T04:41:12Z","published":"2017-09-19T00:47:53Z","related":["UBUNTU-CVE-2017-0663","UBUNTU-CVE-2017-7375","UBUNTU-CVE-2017-7376","UBUNTU-CVE-2017-9047","UBUNTU-CVE-2017-9048","UBUNTU-CVE-2017-9049","UBUNTU-CVE-2017-9050"],"upstream":["CVE-2017-0663","CVE-2017-7375","CVE-2017-7376","CVE-2017-9047","CVE-2017-9048","CVE-2017-9049","CVE-2017-9050","UBUNTU-CVE-2017-0663","UBUNTU-CVE-2017-7375","UBUNTU-CVE-2017-7376","UBUNTU-CVE-2017-9047","UBUNTU-CVE-2017-9048","UBUNTU-CVE-2017-9049","UBUNTU-CVE-2017-9050"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3424-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-0663"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-7375"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-7376"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-9047"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-9048"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-9049"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-9050"}],"affected":[{"package":{"name":"libxml2","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/libxml2@2.9.1+dfsg1-3ubuntu4.10?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.1+dfsg1-3ubuntu4.10"}]}],"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"],"ecosystem_specific":{"binaries":[{"binary_name":"libxml2","binary_version":"2.9.1+dfsg1-3ubuntu4.10"},{"binary_name":"libxml2-dev","binary_version":"2.9.1+dfsg1-3ubuntu4.10"},{"binary_name":"libxml2-utils","binary_version":"2.9.1+dfsg1-3ubuntu4.10"},{"binary_name":"python-libxml2","binary_version":"2.9.1+dfsg1-3ubuntu4.10"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"severity":[{"score":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2017-0663"},{"severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2017-7375"},{"severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2017-7376"},{"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":"medium","type":"Ubuntu"}],"id":"CVE-2017-9047"},{"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":"medium","type":"Ubuntu"}],"id":"CVE-2017-9048"},{"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":"medium","type":"Ubuntu"}],"id":"CVE-2017-9049"},{"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":"medium","type":"Ubuntu"}],"id":"CVE-2017-9050"}],"ecosystem":"Ubuntu:14.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3424-1.json"}},{"package":{"name":"libxml2","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libxml2@2.9.3+dfsg1-1ubuntu0.3?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.3+dfsg1-1ubuntu0.3"}]}],"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"],"ecosystem_specific":{"binaries":[{"binary_name":"libxml2","binary_version":"2.9.3+dfsg1-1ubuntu0.3"},{"binary_name":"libxml2-dev","binary_version":"2.9.3+dfsg1-1ubuntu0.3"},{"binary_name":"libxml2-utils","binary_version":"2.9.3+dfsg1-1ubuntu0.3"},{"binary_name":"python-libxml2","binary_version":"2.9.3+dfsg1-1ubuntu0.3"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"severity":[{"score":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2017-0663"},{"severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2017-7375"},{"severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2017-7376"},{"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":"medium","type":"Ubuntu"}],"id":"CVE-2017-9047"},{"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":"medium","type":"Ubuntu"}],"id":"CVE-2017-9048"},{"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":"medium","type":"Ubuntu"}],"id":"CVE-2017-9049"},{"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":"medium","type":"Ubuntu"}],"id":"CVE-2017-9050"}],"ecosystem":"Ubuntu:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3424-1.json"}}],"schema_version":"1.7.3"}