{"id":"UBUNTU-CVE-2017-9078","details":"The server in Dropbear before 2017.75 might allow post-authentication root remote code execution because of a double free in cleanup of TCP listeners when the -a option is enabled.","modified":"2025-10-24T04:46:19Z","published":"2017-05-19T14:29:00Z","upstream":["CVE-2017-9078"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-9078"},{"type":"REPORT","url":"http://lists.ucc.gu.uwa.edu.au/pipermail/dropbear/2017q2/001985.html"},{"type":"REPORT","url":"https://matt.ucc.asn.au/dropbear/CHANGES"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-9078"}],"affected":[{"package":{"name":"dropbear","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/dropbear@2016.72-1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2014.65-1ubuntu2","2015.68-1","2015.70-1","2015.71-1","2016.72-1"],"ecosystem_specific":{"binaries":[{"binary_version":"2016.72-1","binary_name":"dropbear"},{"binary_version":"2016.72-1","binary_name":"dropbear-bin"},{"binary_version":"2016.72-1","binary_name":"dropbear-initramfs"},{"binary_version":"2016.72-1","binary_name":"dropbear-run"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-9078.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}