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.
CVE-2025-8114
CVSS base score
4.7 (v3.1)
Severity
MEDIUM
Attack vector
Local
Weakness
CWE-476
Last modified
November 5, 2026
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products
libssh libssh
References
- access.redhat.com
- access.redhat.com Third Party Advisory
- bugzilla.redhat.com Issue Tracking, Third Party Advisory
- git.libssh.org
- git.libssh.org
- www.libssh.org