{"id":"CVE-2016-1907","aliases":["ALPINE-CVE-2016-1907","DEBIAN-CVE-2016-1907","EUVD-2016-2998","GHSA-3xwc-hv27-5fhw","UBUNTU-CVE-2016-1907","USN-2966-1"],"status":"published","title":"The ssh_packet_read_poll2 function in packet.c in OpenSSH before 7.1p2 allows remote attackers to...","description":"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.","severity":{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.14341,"percentile":0.96634,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-119"],"published":"2016-01-19T00:00:00Z","modified":"2026-10-24T10:30:53Z","fixes":[{"ecosystem":"Alpine:v3.2","package":"openssh","fixed_in":["6.8_p1-r10"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"openssh","fixed_in":["1:7.1p2-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"openssh","fixed_in":["1:7.1p2-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"openssh","fixed_in":["1:7.1p2-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.2","package":"openssh","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8_p1-r10"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"openssh","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:7.1p2-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"openssh","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:7.1p2-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"openssh","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:7.1p2-1"}]}]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"openssh","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:6.6p1-2ubuntu2.7"}]}],"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","1:6.6p1-2ubuntu2.4","1:6.6p1-2ubuntu2.6"],"bundled":4}],"products":[{"vendor":"openbsd","product":"openssh"}],"references":[{"url":"http://www.securityfocus.com/bid/81293","tags":["vdb-entry","x_transferred","web"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176349.html","tags":["vendor-advisory","x_transferred","web"]},{"url":"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05385680","tags":["x_transferred","web"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175676.html","tags":["vendor-advisory","x_transferred","web"]},{"url":"http://www.openssh.com/txt/release-7.1p2","tags":["x_transferred","Vendor Advisory","advisory"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176516.html","tags":["vendor-advisory","x_transferred","web"]},{"url":"https://bto.bluecoat.com/security-advisory/sa109","tags":["x_transferred","advisory"]},{"url":"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722","tags":["x_transferred","web"]},{"url":"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05356388","tags":["x_transferred","web"]},{"url":"https://anongit.mindrot.org/openssh.git/commit/?id=2fecfd486bdba9f51b3a789277bb0733ca36e1c0","tags":["x_transferred","web"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf","tags":["x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-1907"},{"url":"https://github.com/advisories/GHSA-3xwc-hv27-5fhw"},{"url":"https://security.alpinelinux.org/vuln/CVE-2016-1907","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2016-1907","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2016-1907","tags":["report"]},{"url":"http://seclists.org/oss-sec/2016/q1/112","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-2966-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2016-1907","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2015-8325","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2016-1908","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2016-3115","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2016-1907","description":"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.","status":"published","published":"2016-01-19T00:00:00Z","modified":"2024-08-05T23:10:39.956Z","updated_at":"2026-11-02T14:33:35.841056Z"}],"euvd":[{"id":"EUVD-2016-2998","description":"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.","status":"published","published":"2016-01-19T00:00:00Z","modified":"2024-08-05T23:10:39Z","updated_at":"2026-11-03T02:22:55.519158Z"}],"ghsa":[{"id":"GHSA-3xwc-hv27-5fhw","title":"The ssh_packet_read_poll2 function in packet.c in OpenSSH before 7.1p2 allows remote attackers to...","description":"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.","status":"published","published":"2022-05-17T02:58:55Z","modified":"2023-01-29T05:03:52Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:45:24.688971Z"}],"nvd":[{"id":"CVE-2016-1907","description":"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.","status":"published","published":"2016-01-19T05:59:10.56Z","modified":"2026-06-17T00:42:50.343Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:03:21.143462Z"}],"osv":[{"id":"ALPINE-CVE-2016-1907","description":"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.","status":"published","published":"2016-01-19T05:59:10.56Z","modified":"2026-09-22T06:30:07.055782981Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:27:46.318571Z"},{"id":"CVE-2016-1907","description":"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.","status":"published","published":"2016-01-19T05:59:10.56Z","modified":"2026-10-24T10:30:53.58505013Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:44:02.114472Z"},{"id":"DEBIAN-CVE-2016-1907","description":"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.","status":"published","published":"2016-01-19T05:59:10.56Z","modified":"2026-09-22T07:01:00.9812894Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:45:27.323751Z"},{"id":"UBUNTU-CVE-2016-1907","description":"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.","status":"withdrawn","published":"2016-01-19T00:00:00Z","modified":"2026-02-04T03:36:47.85566Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:54:11.492576Z"},{"id":"USN-2966-1","title":"openssh vulnerabilities","description":"Shayan Sadigh discovered that OpenSSH incorrectly handled environment files\nwhen the UseLogin feature is enabled. A local attacker could use this issue\nto gain privileges. (CVE-2015-8325)\n\nBen Hawkes discovered that OpenSSH incorrectly handled certain network\ntraffic. A remote attacker could possibly use this issue to cause OpenSSH\nto crash, resulting in a denial of service. This issue only applied to\nUbuntu 15.10. (CVE-2016-1907)\n\nThomas Hoger discovered that OpenSSH incorrectly handled untrusted X11\nforwarding when the SECURITY extension is disabled. A connection configured\nas being untrusted could get switched to trusted in certain scenarios,\ncontrary to expectations. (CVE-2016-1908)\n\nIt was discovered that OpenSSH incorrectly handled certain X11 forwarding\ndata. A remote authenticated attacker could possibly use this issue to\nbypass certain intended command restrictions. (CVE-2016-3115)\n","status":"published","published":"2016-05-09T17:04:33Z","modified":"2026-06-01T07:15:21.570321719Z","updated_at":"2026-11-02T16:58:10.303275Z"}]}}