CVE Vulnerabilities

CVE-2023-1667

NULL Pointer Dereference

Published: May 26, 2023 | Modified: Dec 22, 2023
CVSS 3.x
6.5
MEDIUM
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu

A NULL pointer dereference was found In libssh during re-keying with algorithm guessing. This issue may allow an authenticated client to cause a denial of service.

Weakness

A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.

Affected Software

Name Vendor Start Version End Version
Libssh Libssh 0.9.1 (including) 0.9.6 (including)
Libssh Libssh 0.10.0 (including) 0.10.4 (including)

Potential Mitigations

References