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.
Published: 2019-03-25
Score: 8.8 High
EPSS: 4.6% Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-1730-1 libssh2 security update
Debian DSA Debian DSA DSA-4431-1 libssh2 security update
EUVD EUVD EUVD-2019-13470 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.
Ubuntu USN Ubuntu USN USN-5308-1 libssh2 vulnerabilities
History

Wed, 23 Apr 2025 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Subscriptions

Debian Debian Linux
Fedoraproject Fedora
Libssh2 Libssh2
Netapp Ontap Select Deploy Administration Utility
Opensuse Leap
Oracle Peoplesoft Enterprise Peopletools
Redhat Enterprise Linux Enterprise Linux Desktop Enterprise Linux Server Enterprise Linux Server Aus Enterprise Linux Server Eus Enterprise Linux Server Tus Enterprise Linux Workstation Rhel Aus Rhel E4s Rhel Eus Rhel Tus
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2025-04-23T19:48:00.365Z

Reserved: 2019-01-03T00:00:00.000Z

Link: CVE-2019-3856

cve-icon Vulnrichment

Updated: 2024-08-04T19:19:18.557Z

cve-icon NVD

Status : Modified

Published: 2019-03-25T19:29:01.790

Modified: 2024-11-21T04:42:43.640

Link: CVE-2019-3856

cve-icon Redhat

Severity : Important

Publid Date: 2019-03-13T00:00:00Z

Links: CVE-2019-3856 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses