CVE-2025-8114
MEDIUMlibssh < 0.11.2 - Denial of Service via NULL Pointer Dereference in Session ID Calculation
Title source: llmDescription
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.
References (6)
Core 6
Core References
Vendor Advisory vendor-advisory
x_refsource_redhat
RHSA-2026:18683
https://access.redhat.com/errata/RHSA-2026:18683
Third Party Advisory vdb-entry
x_refsource_redhat
https://access.redhat.com/security/cve/CVE-2025-8114
Issue Tracking, Third Party Advisory issue-tracking
x_refsource_redhat
https://bugzilla.redhat.com/show_bug.cgi?id=2383220
Patch
https://git.libssh.org/projects/libssh.git/commit/?id=53ac23ded4cb2c5463f6c4cd1525331bd578812d
Vendor Advisory
https://www.libssh.org/security/advisories/CVE-2025-8114.txt
Scores
CVSS v3
4.7
EPSS
0.0016
EPSS Percentile
36.1%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-476
Status
published
Products (7)
libssh/libssh
< 0.11.2
Red Hat/Red Hat Enterprise Linux 10
Red Hat/Red Hat Enterprise Linux 6
Red Hat/Red Hat Enterprise Linux 7
Red Hat/Red Hat Enterprise Linux 8
Red Hat/Red Hat Enterprise Linux 9
0:0.10.4-18.el9
Red Hat/Red Hat OpenShift Container Platform 4
Published
Jul 24, 2025
Tracked Since
Feb 18, 2026