{"id":"UBUNTU-CVE-2019-3994","details":"ELOG 3.1.4-57bea22 and below is affected by a denial of service vulnerability due to a use after free. A remote unauthenticated attacker can crash the ELOG server by sending multiple HTTP POST requests which causes the ELOG function retrieve_url() to use a freed variable.","modified":"2025-10-24T04:47:27Z","published":"2019-12-17T22:15:00Z","upstream":["CVE-2019-3994"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-3994"},{"type":"REPORT","url":"https://www.tenable.com/security/research/tra-2019-53"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-3994"}],"affected":[{"package":{"name":"elog","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/elog@3.1.1-1-1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1.0-2-1","3.1.1-1-1"],"ecosystem_specific":{"binaries":[{"binary_name":"elog","binary_version":"3.1.1-1-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-3994.json"}},{"package":{"name":"elog","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/elog@3.1.3-1-1build1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1.3-1-1","3.1.3-1-1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"elog","binary_version":"3.1.3-1-1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-3994.json"}},{"package":{"name":"elog","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/elog@3.1.3-1-1build1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1.3-1-1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"elog","binary_version":"3.1.3-1-1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-3994.json"}},{"package":{"name":"elog","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/elog@3.1.3-1-1build2?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1.3-1-1build1","3.1.3-1-1build2"],"ecosystem_specific":{"binaries":[{"binary_name":"elog","binary_version":"3.1.3-1-1build2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-3994.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}