{"id":"USN-5172-2","summary":"uriparser vulnerability","details":"USN-5172-1 fixed vulnerabilities in uriparser.\nThis update provides the corresponding updates for Ubuntu 14.04 ESM and\nUbuntu 16.04 ESM.\n\nOriginal advisory details:\n\n It was discovered that uriparser mishandled certain input. An attacker\n could use this vulnerability to cause uriparser to crash or possibly\n execute arbitrary code. (CVE-2018-19198, CVE-2018-19199, CVE-2018-19200)\n\n It was discovered that uriparser incorrectly handled certain URIs. An\n attacker could use this vulnerability to cause a crash or possibly leak\n sensitive information. (CVE-2018-20721)\n","modified":"2026-02-10T04:42:24Z","published":"2021-12-09T11:45:04Z","related":["UBUNTU-CVE-2018-19198","UBUNTU-CVE-2018-19199","UBUNTU-CVE-2018-19200","UBUNTU-CVE-2018-20721"],"upstream":["CVE-2018-19198","CVE-2018-19199","CVE-2018-19200","CVE-2018-20721","UBUNTU-CVE-2018-19198","UBUNTU-CVE-2018-19199","UBUNTU-CVE-2018-19200","UBUNTU-CVE-2018-20721"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5172-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-19198"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-19199"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-19200"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-20721"}],"affected":[{"package":{"name":"uriparser","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/uriparser@0.7.5-1ubuntu2+esm2?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7.5-1ubuntu2+esm2"}]}],"versions":["0.7.5-1","0.7.5-1ubuntu1","0.7.5-1ubuntu2","0.7.5-1ubuntu2+esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.7.5-1ubuntu2+esm2","binary_name":"liburiparser-dev"},{"binary_version":"0.7.5-1ubuntu2+esm2","binary_name":"liburiparser1"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5172-2.json","cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"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-2018-20721"}],"ecosystem":"Ubuntu:Pro:14.04:LTS"}}},{"package":{"name":"uriparser","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/uriparser@0.8.4-1ubuntu0.16.04.1~esm2?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.4-1ubuntu0.16.04.1~esm2"}]}],"versions":["0.8.2-1","0.8.3-1","0.8.4-1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.8.4-1ubuntu0.16.04.1~esm2","binary_name":"liburiparser-dev"},{"binary_version":"0.8.4-1ubuntu0.16.04.1~esm2","binary_name":"liburiparser1"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5172-2.json","cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"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-2018-20721"}],"ecosystem":"Ubuntu:Pro:16.04:LTS"}}}],"schema_version":"1.7.3"}