{"schema_version":"1.8.0","id":"CVE-2019-3857","published":"2019-03-25T19:29:01.837Z","modified":"2026-08-07T11:31:13.332806087Z","related":["SUSE-SU-2019:0655-1","SUSE-SU-2019:13982-1","SUSE-SU-2019:13997-1","SUSE-SU-2020:3551-1","openSUSE-SU-2019:1109-1","openSUSE-SU-2020:2126-1","openSUSE-SU-2020:2129-1","openSUSE-SU-2024:10999-1"],"details":"An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way SSH_MSG_CHANNEL_REQUEST packets with an exit signal 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.","affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/libssh2/libssh2","events":[{"introduced":"5633bb4a3b0dfe80a82c95919e0d5afa3e88779a"},{"last_affected":"30e9c1347e3b8baa2951db612f05e6d87fc8e2f2"}],"database_specific":{"cpe":"cpe:2.3:a:libssh2:libssh2:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"1.2.8"},{"last_affected":"1.8.0"}],"source":"CPE_RANGE"}}],"versions":["libssh2-1.8.0","libssh2-1.7.0","libssh2-1.6.0","libssh2-1.5.0","libssh2-1.4.3","libssh2-1.4.2","libssh2-1.4.1","libssh2-1.4.0","libssh2-1.3.0","libssh2-1.2.9","libssh2-1.2.8"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-3857.json"}}],"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:0679"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:1175"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:1652"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:1791"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:1943"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2399"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html"},{"type":"ADVISORY","url":"https://seclists.org/bugtraq/2019/Apr/25"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20190327-0005/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2019/dsa-4431"},{"type":"FIX","url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3857"},{"type":"FIX","url":"https://www.libssh2.org/CVE-2019-3857.html"},{"type":"FIX","url":"https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html"}],"database_specific":{"unresolved_ranges":[{"cpes":["cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*","cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"8.0"},{"last_affected":"8.0"},{"introduced":"9.0"},{"last_affected":"9.0"}],"source":"CPE_STRING","vendor_product":"debian:debian_linux"},{"cpes":["cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"28"},{"last_affected":"28"}],"source":"CPE_STRING","vendor_product":"fedoraproject:fedora"},{"cpes":["cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*","cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"15.0"},{"last_affected":"15.0"},{"introduced":"42.3"},{"last_affected":"42.3"}],"source":"CPE_STRING","vendor_product":"opensuse:leap"},{"cpes":["cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.56:*:*:*:*:*:*:*","cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.57:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"8.56"},{"last_affected":"8.56"},{"introduced":"8.57"},{"last_affected":"8.57"}],"source":"CPE_STRING","vendor_product":"oracle:peoplesoft_enterprise_peopletools"},{"cpes":["cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:advanced_virtualization:*:*:*"],"extracted_events":[{"introduced":"8.0"},{"last_affected":"8.0"}],"source":"CPE_STRING","vendor_product":"redhat:enterprise_linux"},{"cpes":["cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"7.0"},{"last_affected":"7.0"}],"source":"CPE_STRING","vendor_product":"redhat:enterprise_linux_desktop"},{"cpes":["cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"7.0"},{"last_affected":"7.0"}],"source":"CPE_STRING","vendor_product":"redhat:enterprise_linux_server"},{"cpes":["cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"7.6"},{"last_affected":"7.6"}],"source":"CPE_STRING","vendor_product":"redhat:enterprise_linux_server_aus"},{"cpes":["cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"7.6"},{"last_affected":"7.6"}],"source":"CPE_STRING","vendor_product":"redhat:enterprise_linux_server_eus"},{"cpes":["cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"7.6"},{"last_affected":"7.6"}],"source":"CPE_STRING","vendor_product":"redhat:enterprise_linux_server_tus"},{"cpes":["cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"7.0"},{"last_affected":"7.0"}],"source":"CPE_STRING","vendor_product":"redhat:enterprise_linux_workstation"}]},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}