{"id":"CVE-2019-3856","revision":"e9d64e26724d458ab1e3ea5ecd072f06","records":[{"revision":"e9d64e26724d458ab1e3ea5ecd072f06","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2019-3856","aliases":[],"title":"An integer overflow flaw, which could lead to an out of bounds write, was discovered in libssh2 before 1.8.1 in the way keyboard prompt requests are parsed. A remote attacker who compromises a SSH server may be able to execute code on the c…","description":"An integer overflow flaw, which could lead to an out of bounds write, was discovered in libssh2 before 1.8.1 in the way keyboard prompt requests are parsed. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.","state":0,"publishedAt":"2019-03-25T18:31:03+00:00","modifiedAt":"2026-10-14T06:35:23.162+00:00","affected":[{"ecosystem":"Vendor product","name":"libssh2","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"libssh2\",\n                    \"vendor\": \"The libssh2 Project\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"1.8.1\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.0","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","score":7.5,"severity":"HIGH"}],"references":["https://www.libssh2.org/CVE-2019-3856.html","https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3856","https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html","https://security.netapp.com/advisory/ntap-20190327-0005/","https://access.redhat.com/errata/RHSA-2019:0679","http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html","http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/","https://www.debian.org/security/2019/dsa-4431","https://seclists.org/bugtraq/2019/Apr/25","https://access.redhat.com/errata/RHSA-2019:1175","https://access.redhat.com/errata/RHSA-2019:1652","https://access.redhat.com/errata/RHSA-2019:1791","https://access.redhat.com/errata/RHSA-2019:1943","https://access.redhat.com/errata/RHSA-2019:2399","https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2019-3856","license":"CVE Program Terms of Use","key":"cve-program:CVE-2019-3856","identifiers":["CVE-2019-3856"]},"retained":false,"historicalAffected":[]}],"coverage":[]}