vulnerability
Oracle Linux: CVE-2019-3856: ELSA-2019-0679: libssh2 security update (IMPORTANT) (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:H/Au:N/C:C/I:C/A:C) | Mar 13, 2019 | Jul 3, 2019 | Feb 24, 2026 |
Severity
8
CVSS
(AV:N/AC:H/Au:N/C:C/I:C/A:C)
Published
Mar 13, 2019
Added
Jul 3, 2019
Modified
Feb 24, 2026
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.
An integer overflow flaw, which could lead to an out of bounds write, was discovered in libssh2 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.
An integer overflow flaw, which could lead to an out of bounds write, was discovered in libssh2 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.
Solutions
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Rapid7 Labs
2026 Global Threat Landscape Report
The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.