CVE-2019-3859

CriticalCVSS 9.1/10Last modified Oct 14, 2026

Description

An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the _libssh2_packet_require and _libssh2_packet_requirev functions. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.

Metrics

CVSS 3.1 9.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Weakness enumeration

CWE-125

Affected software

No affected versions have been published.

Timeline

Published
Mar 21, 2019
Last modified
Oct 14, 2026
NVD status
Modified

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CVE-2019-3859: Critical severity, CVSS 9.1 | Vulnix