{"id":"UBUNTU-CVE-2018-16839","details":"Curl versions 7.33.0 through 7.61.1 are vulnerable to a buffer overrun in the SASL authentication code that may lead to denial of service.","modified":"2026-01-30T02:09:24.354643Z","published":"2018-10-31T00:00:00Z","related":["USN-3805-1"],"upstream":["CVE-2018-16839"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-16839"},{"type":"REPORT","url":"https://curl.haxx.se/docs/CVE-2018-16839.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3805-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-16839"}],"affected":[{"package":{"name":"curl","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/curl@7.35.0-1ubuntu2.19?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.35.0-1ubuntu2.19"}]}],"versions":["7.32.0-1ubuntu1","7.33.0-1ubuntu1","7.34.0-1ubuntu1","7.35.0-1ubuntu1","7.35.0-1ubuntu2","7.35.0-1ubuntu2.1","7.35.0-1ubuntu2.2","7.35.0-1ubuntu2.3","7.35.0-1ubuntu2.5","7.35.0-1ubuntu2.6","7.35.0-1ubuntu2.7","7.35.0-1ubuntu2.8","7.35.0-1ubuntu2.9","7.35.0-1ubuntu2.10","7.35.0-1ubuntu2.11","7.35.0-1ubuntu2.12","7.35.0-1ubuntu2.13","7.35.0-1ubuntu2.14","7.35.0-1ubuntu2.15","7.35.0-1ubuntu2.16","7.35.0-1ubuntu2.17"],"ecosystem_specific":{"binaries":[{"binary_name":"curl","binary_version":"7.35.0-1ubuntu2.19"},{"binary_name":"libcurl3","binary_version":"7.35.0-1ubuntu2.19"},{"binary_name":"libcurl3-gnutls","binary_version":"7.35.0-1ubuntu2.19"},{"binary_name":"libcurl3-nss","binary_version":"7.35.0-1ubuntu2.19"},{"binary_name":"libcurl4-gnutls-dev","binary_version":"7.35.0-1ubuntu2.19"},{"binary_name":"libcurl4-nss-dev","binary_version":"7.35.0-1ubuntu2.19"},{"binary_name":"libcurl4-openssl-dev","binary_version":"7.35.0-1ubuntu2.19"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-16839.json"}},{"package":{"name":"curl","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/curl@7.47.0-1ubuntu2.11?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.47.0-1ubuntu2.11"}]}],"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"],"ecosystem_specific":{"binaries":[{"binary_name":"curl","binary_version":"7.47.0-1ubuntu2.11"},{"binary_name":"libcurl3","binary_version":"7.47.0-1ubuntu2.11"},{"binary_name":"libcurl3-gnutls","binary_version":"7.47.0-1ubuntu2.11"},{"binary_name":"libcurl3-nss","binary_version":"7.47.0-1ubuntu2.11"},{"binary_name":"libcurl4-gnutls-dev","binary_version":"7.47.0-1ubuntu2.11"},{"binary_name":"libcurl4-nss-dev","binary_version":"7.47.0-1ubuntu2.11"},{"binary_name":"libcurl4-openssl-dev","binary_version":"7.47.0-1ubuntu2.11"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-16839.json"}},{"package":{"name":"curl","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/curl@7.58.0-2ubuntu3.5?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.58.0-2ubuntu3.5"}]}],"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"],"ecosystem_specific":{"binaries":[{"binary_name":"curl","binary_version":"7.58.0-2ubuntu3.5"},{"binary_name":"libcurl3-gnutls","binary_version":"7.58.0-2ubuntu3.5"},{"binary_name":"libcurl3-nss","binary_version":"7.58.0-2ubuntu3.5"},{"binary_name":"libcurl4","binary_version":"7.58.0-2ubuntu3.5"},{"binary_name":"libcurl4-gnutls-dev","binary_version":"7.58.0-2ubuntu3.5"},{"binary_name":"libcurl4-nss-dev","binary_version":"7.58.0-2ubuntu3.5"},{"binary_name":"libcurl4-openssl-dev","binary_version":"7.58.0-2ubuntu3.5"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-16839.json"}}],"schema_version":"1.7.3","severity":[{"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":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L"},{"type":"Ubuntu","score":"medium"}]}