{"cve":"CVE-2019-3863","nvd":{"published":"2019-03-25T18:29:01.590","modified":"2026-10-14T07:16:53.397","status":"Modified","description":"A flaw was found in libssh2 before 1.8.1 creating a vulnerability on the SSH client side. A server could send a multiple keyboard interactive response messages whose total length are greater than unsigned char max characters. This value is used by the SSH client as an index to copy memory causing in an out of bounds memory write error.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-787","CWE-190"],"references":["http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html","http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html","https://access.redhat.com/errata/RHSA-2019:0679","https://access.redhat.com/errata/RHSA-2019:1175","https://access.redhat.com/errata/RHSA-2019:1652"],"products":["debian:debian_linux","libssh2:libssh2","netapp:ontap_select_deploy_administration_utility","opensuse:leap","redhat:enterprise_linux_desktop","redhat:enterprise_linux_server","redhat:enterprise_linux_server_aus","redhat:enterprise_linux_server_eus","redhat:enterprise_linux_server_tus","redhat:enterprise_linux_workstation"],"source":"nvd","synced_at":"2026-10-19T20:55:22.313337056+00:00"},"epss":{"cve":"CVE-2019-3863","score":0.03437,"percentile":0.88879,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}