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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
libssh
Default version status: unaffected
0 to < 0.11.3affected
Red Hat Red Hat Enterprise Linux 9
Default version status: affected
0:0.10.4-18.el9 to < *unaffected
Red Hat Red Hat Enterprise Linux 9
Default version status: affected
0:0.10.4-18.el9 to < *unaffected
Red Hat Red Hat Enterprise Linux 10
Default version status: affected
Red Hat Red Hat Enterprise Linux 6
Default version status: unaffected
Red Hat Red Hat Enterprise Linux 7
Default version status: unaffected
Red Hat Red Hat Enterprise Linux 8
Default version status: affected
Red Hat Red Hat OpenShift Container Platform 4
Default version status: affected
Red Hat Red Hat OpenShift Container Platform 4
Default version status: affected
References
- https://access.redhat.com/errata/RHSA-2026:18683 ↗
- https://access.redhat.com/security/cve/CVE-2025-8114 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=2383220 ↗
- https://git.libssh.org/projects/libssh.git/commit/?id=53ac23ded4cb2c5463f6c4cd1525331bd578812d ↗
- https://git.libssh.org/projects/libssh.git/commit/?id=65f363c9 ↗
- https://www.libssh.org/security/advisories/CVE-2025-8114.txt ↗