CVE-2025-8114

Medium

Description

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.

SeverityMedium

CVSS4.7

Exploit probability—

ProductLibssh

PublishedJul 24, 2025

First seenJul 24, 2025

Weakness typeCWE-476NULL pointer dereference

How to fix

Vendor advisories

access.redhat.com/errata/RHSA-2026:18683

Affected products

Product	Affected versions	Fixed in
libssh libssh	v ≤ 0.11.2	—

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