{"id":"USN-3993-1","summary":"curl vulnerabilities","details":"Wenchao Li discovered that curl incorrectly handled memory in the\ncurl_url_set() function. A remote attacker could use this issue to cause\ncurl to crash, resulting in a denial of service, or possibly execute\narbitrary code. This issue only affected Ubuntu 19.04. (CVE-2019-5435)\n\nIt was discovered that curl incorrectly handled memory when receiving data\nfrom a TFTP server. A remote attacker could use this issue to cause curl to\ncrash, resulting in a denial of service, or possibly execute arbitrary\ncode. (CVE-2019-5436)\n","modified":"2026-04-27T09:15:59.055337Z","published":"2019-05-22T12:45:36Z","related":["UBUNTU-CVE-2019-5436"],"upstream":["CVE-2019-5436","UBUNTU-CVE-2019-5435","UBUNTU-CVE-2019-5436"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3993-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-5435"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-5436"}],"affected":[{"package":{"name":"curl","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/curl@7.47.0-1ubuntu2.13?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.47.0-1ubuntu2.13"}]}],"versions":["7.43.0-1ubuntu2","7.45.0-1ubuntu1","7.46.0-1ubuntu1","7.47.0-1ubuntu1","7.47.0-1ubuntu2","7.47.0-1ubuntu2.1","7.47.0-1ubuntu2.2","7.47.0-1ubuntu2.3","7.47.0-1ubuntu2.4","7.47.0-1ubuntu2.5","7.47.0-1ubuntu2.6","7.47.0-1ubuntu2.7","7.47.0-1ubuntu2.8","7.47.0-1ubuntu2.9","7.47.0-1ubuntu2.11","7.47.0-1ubuntu2.12"],"ecosystem_specific":{"binaries":[{"binary_version":"7.47.0-1ubuntu2.13","binary_name":"curl"},{"binary_version":"7.47.0-1ubuntu2.13","binary_name":"libcurl3"},{"binary_version":"7.47.0-1ubuntu2.13","binary_name":"libcurl3-gnutls"},{"binary_version":"7.47.0-1ubuntu2.13","binary_name":"libcurl3-nss"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3993-1.json","cves_map":{"ecosystem":"Ubuntu:16.04:LTS","cves":[{"id":"CVE-2019-5436","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]}}},{"package":{"name":"curl","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/curl@7.58.0-2ubuntu3.7?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.58.0-2ubuntu3.7"}]}],"versions":["7.55.1-1ubuntu2","7.55.1-1ubuntu2.1","7.57.0-1ubuntu1","7.58.0-2ubuntu1","7.58.0-2ubuntu2","7.58.0-2ubuntu3","7.58.0-2ubuntu3.1","7.58.0-2ubuntu3.2","7.58.0-2ubuntu3.3","7.58.0-2ubuntu3.5","7.58.0-2ubuntu3.6"],"ecosystem_specific":{"binaries":[{"binary_version":"7.58.0-2ubuntu3.7","binary_name":"curl"},{"binary_version":"7.58.0-2ubuntu3.7","binary_name":"libcurl3-gnutls"},{"binary_version":"7.58.0-2ubuntu3.7","binary_name":"libcurl3-nss"},{"binary_version":"7.58.0-2ubuntu3.7","binary_name":"libcurl4"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3993-1.json","cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"id":"CVE-2019-5436","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]}}}],"schema_version":"1.7.5"}