CVE-2019-3856
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.
- CVSS 3.1
- 8.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - EPSS
- 6.1% chance of exploitation in the next 30 days; higher than 93% of CVEs (scores of 2026-10-25)
- CWEs
- CWE-190, CWE-787
- Published
- Modified
- Record from
- the NVD, synced
Affected
- debian:debian_linux
- fedoraproject:fedora
- libssh2:libssh2
- netapp:ontap_select_deploy_administration_utility
- opensuse:leap
- oracle:peoplesoft_enterprise_peopletools
- redhat:enterprise_linux
- 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