vulnerability

Red Hat: CVE-2019-3857: CVE-2019-3857 libssh2: Integer overflow in SSH packet processing channel resulting in out of bounds write (Multiple Advisories)

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
Mar 25, 2019
Added
Mar 29, 2019
Modified
Aug 11, 2025

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 SSH_MSG_CHANNEL_REQUEST packets with an exit signal 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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