{"id":"USN-3442-1","summary":"libxfont, libxfont1, libxfont2 vulnerabilities","details":"It was discovered that libXfont incorrectly handled certain patterns in\nPatternMatch. A local attacker could use this issue to cause libXfont to\ncrash, resulting in a denial of service, or possibly obtain sensitive\ninformation. (CVE-2017-13720)\n\nIt was discovered that libXfont incorrectly handled certain malformed PCF\nfiles. A local attacker could use this issue to cause libXfont to crash,\nresulting in a denial of service, or possibly obtain sensitive information.\n(CVE-2017-13722)\n","modified":"2026-04-22T09:39:31.602956Z","published":"2017-10-10T13:02:08Z","related":["UBUNTU-CVE-2017-13720","UBUNTU-CVE-2017-13722"],"upstream":["CVE-2017-13720","CVE-2017-13722","UBUNTU-CVE-2017-13720","UBUNTU-CVE-2017-13722"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3442-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-13720"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-13722"}],"affected":[{"package":{"name":"libxfont","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/libxfont@1:1.4.7-1ubuntu0.3?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.4.7-1ubuntu0.3"}]}],"versions":["1:1.4.6-1","1:1.4.6-1ubuntu1","1:1.4.7-1","1:1.4.7-1ubuntu0.1","1:1.4.7-1ubuntu0.2"],"ecosystem_specific":{"binaries":[{"binary_version":"1:1.4.7-1ubuntu0.3","binary_name":"libxfont1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3442-1.json","cves_map":{"cves":[{"severity":[{"score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2017-13720"},{"severity":[{"score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2017-13722"}],"ecosystem":"Ubuntu:14.04:LTS"}}},{"package":{"name":"libxfont","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libxfont@1:1.5.1-1ubuntu0.16.04.3?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.5.1-1ubuntu0.16.04.3"}]}],"versions":["1:1.5.1-1","1:1.5.1-1ubuntu0.16.04.1","1:1.5.1-1ubuntu0.16.04.2"],"ecosystem_specific":{"binaries":[{"binary_version":"1:1.5.1-1ubuntu0.16.04.3","binary_name":"libxfont1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3442-1.json","cves_map":{"cves":[{"severity":[{"score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2017-13720"},{"severity":[{"score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2017-13722"}],"ecosystem":"Ubuntu:16.04:LTS"}}},{"package":{"name":"libxfont2","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libxfont2@1:2.0.1-3~ubuntu16.04.2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.0.1-3~ubuntu16.04.2"}]}],"versions":["1:2.0.1-3~ubuntu16.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"1:2.0.1-3~ubuntu16.04.2","binary_name":"libxfont2"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3442-1.json","cves_map":{"cves":[{"severity":[{"score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2017-13720"},{"severity":[{"score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2017-13722"}],"ecosystem":"Ubuntu:16.04:LTS"}}}],"schema_version":"1.7.5"}