CVE-2025-8114
4.7
MEDIUM
CVSS 3.1
EPSS 0.16%
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.
How to fix CVE-2025-8114
To remediate CVE-2025-8114, upgrade the affected package to a fixed version below.
- Debian/libssh—upgrade to 0.9.8-0+deb11u2 or later
Is CVE-2025-8114 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 0.9.8-0+deb11u2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.7 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |