CVE-2025-8114

EUVD-2025-22513
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.7 MEDIUM
LOCAL
HIGH
LOW
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
redhatCNA
4.7 MEDIUM
LOCAL
HIGH
LOW
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 7%
Affected Products (NVD)
VendorProductVersion
libsshlibssh
𝑥
≤ 0.11.2
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libssh
bookworm
0.10.6-0+deb12u2
fixed
bookworm (security)
vulnerable
bullseye
vulnerable
bullseye (security)
0.9.8-0+deb11u2
fixed
forky
0.11.3-1
fixed
sid
0.11.3-1
fixed
trixie
0.11.2-1+deb13u1
fixed
Common Weakness Enumeration
References
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