{"id":"UBUNTU-CVE-2016-1907","details":"The ssh_packet_read_poll2 function in packet.c in OpenSSH before 7.1p2 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via crafted network traffic.","modified":"2026-02-04T03:36:47.855660Z","published":"2016-01-19T00:00:00Z","withdrawn":"2025-07-18T16:43:24Z","related":["USN-2966-1"],"upstream":["CVE-2016-1907"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-1907"},{"type":"REPORT","url":"http://seclists.org/oss-sec/2016/q1/112"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2966-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2016-1907"}],"affected":[{"package":{"name":"openssh","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/openssh@1:6.6p1-2ubuntu2.4?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:6.6p1-2ubuntu2.4"}]}],"versions":["1:6.2p2-6","1:6.2p2-6ubuntu1","1:6.4p1-1","1:6.4p1-2","1:6.5p1-1","1:6.5p1-2","1:6.5p1-3","1:6.5p1-4","1:6.5p1-6","1:6.6p1-1","1:6.6p1-2","1:6.6p1-2ubuntu1","1:6.6p1-2ubuntu2","1:6.6p1-2ubuntu2.2","1:6.6p1-2ubuntu2.3"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1:6.6p1-2ubuntu2.4","binary_name":"openssh-client"},{"binary_version":"1:6.6p1-2ubuntu2.4","binary_name":"openssh-client-dbgsym"},{"binary_version":"1:6.6p1-2ubuntu2.4","binary_name":"openssh-client-udeb"},{"binary_version":"1:6.6p1-2ubuntu2.4","binary_name":"openssh-client-udeb-dbgsym"},{"binary_version":"1:6.6p1-2ubuntu2.4","binary_name":"openssh-server"},{"binary_version":"1:6.6p1-2ubuntu2.4","binary_name":"openssh-server-dbgsym"},{"binary_version":"1:6.6p1-2ubuntu2.4","binary_name":"openssh-server-udeb"},{"binary_version":"1:6.6p1-2ubuntu2.4","binary_name":"openssh-server-udeb-dbgsym"},{"binary_version":"1:6.6p1-2ubuntu2.4","binary_name":"openssh-sftp-server"},{"binary_version":"1:6.6p1-2ubuntu2.4","binary_name":"openssh-sftp-server-dbgsym"},{"binary_version":"1:6.6p1-2ubuntu2.4","binary_name":"ssh"},{"binary_version":"1:6.6p1-2ubuntu2.4","binary_name":"ssh-askpass-gnome"},{"binary_version":"1:6.6p1-2ubuntu2.4","binary_name":"ssh-askpass-gnome-dbgsym"},{"binary_version":"1:6.6p1-2ubuntu2.4","binary_name":"ssh-krb5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-1907.json"}},{"package":{"name":"openssh","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/openssh@1:7.1p2-1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:7.1p2-1"}]}],"versions":["1:6.9p1-2","1:6.9p1-3","1:7.1p1-1","1:7.1p1-3","1:7.1p1-4","1:7.1p1-6"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1:7.1p2-1","binary_name":"openssh-client"},{"binary_version":"1:7.1p2-1","binary_name":"openssh-client-dbgsym"},{"binary_version":"1:7.1p2-1","binary_name":"openssh-client-ssh1"},{"binary_version":"1:7.1p2-1","binary_name":"openssh-client-ssh1-dbgsym"},{"binary_version":"1:7.1p2-1","binary_name":"openssh-client-udeb"},{"binary_version":"1:7.1p2-1","binary_name":"openssh-client-udeb-dbgsym"},{"binary_version":"1:7.1p2-1","binary_name":"openssh-server"},{"binary_version":"1:7.1p2-1","binary_name":"openssh-server-dbgsym"},{"binary_version":"1:7.1p2-1","binary_name":"openssh-server-udeb"},{"binary_version":"1:7.1p2-1","binary_name":"openssh-server-udeb-dbgsym"},{"binary_version":"1:7.1p2-1","binary_name":"openssh-sftp-server"},{"binary_version":"1:7.1p2-1","binary_name":"openssh-sftp-server-dbgsym"},{"binary_version":"1:7.1p2-1","binary_name":"ssh"},{"binary_version":"1:7.1p2-1","binary_name":"ssh-askpass-gnome"},{"binary_version":"1:7.1p2-1","binary_name":"ssh-askpass-gnome-dbgsym"},{"binary_version":"1:7.1p2-1","binary_name":"ssh-krb5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-1907.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:N/I:N/A:L"},{"type":"Ubuntu","score":"low"}]}