CVE-2025-8114 MEDIUM

CVE-2025-8114: Libssh: null pointer dereference in libssh kex session id calculation

Vendor Red Hat
Product Red Hat Enterprise Linux 10
Weakness CWE-476
Published July 24, 2025
Last update June 30, 2026
View on NVD All CVEs

CVSS base score

4.7/10
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

A flaw was found in libssh, a library that implements the SSH protocol. When calculating the session ID during the key exchange (KEX) process, an allocation failure in cryptographic functions may lead to a NULL pointer dereference. This issue can cause the client or server to crash.

Key dates

02Disclosure timeline

July 24, 2025 CVE published
June 30, 2026 Record updated