CVE-2025-8114
Libssh: null pointer dereference in libssh kex session id calculation
Vexday Risk Score
13Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 4.7EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado
Lifecycle
24 Jul 2025Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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.
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products
libsshRed Hat · Red Hat Enterprise Linux 10Red Hat · Red Hat Enterprise Linux 6Red Hat · Red Hat Enterprise Linux 7Red Hat · Red Hat Enterprise Linux 8Red Hat · Red Hat Enterprise Linux 9Red Hat · Red Hat OpenShift Container Platform 4References
https://access.redhat.com/errata/RHSA-2026:18683https://access.redhat.com/security/cve/CVE-2025-8114https://bugzilla.redhat.com/show_bug.cgi?id=2383220https://git.libssh.org/projects/libssh.git/commit/?id=53ac23ded4cb2c5463f6c4cd1525331bd578812dhttps://git.libssh.org/projects/libssh.git/commit/?id=65f363c9https://www.libssh.org/security/advisories/CVE-2025-8114.txt