CVE-2025-4878

EUVD-2025-22335
A vulnerability was found in libssh, where an uninitialized variable exists under certain conditions in the privatekey_from_file() function. This flaw can be triggered if the file specified by the filename doesn't exist and may lead to possible signing failures or heap corruption.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
3.6 LOW
LOCAL
HIGH
LOW
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 41%
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
0.12.0-3
fixed
sid
0.12.0-3
fixed
trixie
0.11.2-1+deb13u1
fixed
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
libssh-config
suse enterprise desktop 15 SP6
0.9.8-150600.11.3.1
fixed
suse enterprise desktop 15 SP7
0.9.8-150600.11.3.1
fixed
suse enterprise sap 15 SP4
0.9.8-150400.3.9.1
fixed
suse enterprise sap 15 SP5
0.9.8-150400.3.9.1
fixed
suse enterprise sap 15 SP6
0.9.8-150600.11.3.1
fixed
suse enterprise sap 15 SP7
0.9.8-150600.11.3.1
fixed
suse enterprise server 12 SP5
0.9.8-3.15.1
fixed
suse enterprise server 15 SP2
0.9.8-150200.13.9.1
fixed
suse enterprise server 15 SP3
0.9.8-150200.13.9.1
fixed
suse enterprise server 15 SP4
0.9.8-150400.3.9.1
fixed
suse enterprise server 15 SP5
0.9.8-150400.3.9.1
fixed
suse enterprise server 15 SP6
0.9.8-150600.11.3.1
fixed
suse enterprise server 15 SP7
0.9.8-150600.11.3.1
fixed
libssh-devel
suse enterprise desktop 15 SP6
0.9.8-150600.11.3.1
fixed
suse enterprise desktop 15 SP7
0.9.8-150600.11.3.1
fixed
suse enterprise sap 15 SP4
0.9.8-150400.3.9.1
fixed
suse enterprise sap 15 SP5
0.9.8-150400.3.9.1
fixed
suse enterprise sap 15 SP6
0.9.8-150600.11.3.1
fixed
suse enterprise sap 15 SP7
0.9.8-150600.11.3.1
fixed
suse enterprise server 12 SP5
0.9.8-3.15.1
fixed
suse enterprise server 15 SP2
0.9.8-150200.13.9.1
fixed
suse enterprise server 15 SP3
0.9.8-150200.13.9.1
fixed
suse enterprise server 15 SP4
0.9.8-150400.3.9.1
fixed
suse enterprise server 15 SP5
0.9.8-150400.3.9.1
fixed
suse enterprise server 15 SP6
0.9.8-150600.11.3.1
fixed
suse enterprise server 15 SP7
0.9.8-150600.11.3.1
fixed
libssh-devel-doc
suse enterprise server 12 SP5
0.6.3-12.15.1
fixed
libssh4
suse enterprise desktop 15 SP6
0.9.8-150600.11.3.1
fixed
suse enterprise desktop 15 SP7
0.9.8-150600.11.3.1
fixed
suse enterprise sap 15 SP4
0.9.8-150400.3.9.1
fixed
suse enterprise sap 15 SP5
0.9.8-150400.3.9.1
fixed
suse enterprise sap 15 SP6
0.9.8-150600.11.3.1
fixed
suse enterprise sap 15 SP7
0.9.8-150600.11.3.1
fixed
suse enterprise server 12 SP5
0.9.8-3.15.1
fixed
suse enterprise server 15 SP2
0.9.8-150200.13.9.1
fixed
suse enterprise server 15 SP3
0.9.8-150200.13.9.1
fixed
suse enterprise server 15 SP4
0.9.8-150400.3.9.1
fixed
suse enterprise server 15 SP5
0.9.8-150400.3.9.1
fixed
suse enterprise server 15 SP6
0.9.8-150600.11.3.1
fixed
suse enterprise server 15 SP7
0.9.8-150600.11.3.1
fixed
libssh4-32bit
suse enterprise desktop 15 SP6
0.9.8-150600.11.3.1
fixed
suse enterprise desktop 15 SP7
0.9.8-150600.11.3.1
fixed
suse enterprise sap 15 SP4
0.9.8-150400.3.9.1
fixed
suse enterprise sap 15 SP5
0.9.8-150400.3.9.1
fixed
suse enterprise sap 15 SP6
0.9.8-150600.11.3.1
fixed
suse enterprise sap 15 SP7
0.9.8-150600.11.3.1
fixed
suse enterprise server 12 SP5
0.9.8-3.15.1
fixed
suse enterprise server 15 SP2
0.9.8-150200.13.9.1
fixed
suse enterprise server 15 SP3
0.9.8-150200.13.9.1
fixed
suse enterprise server 15 SP4
0.9.8-150400.3.9.1
fixed
suse enterprise server 15 SP5
0.9.8-150400.3.9.1
fixed
suse enterprise server 15 SP6
0.9.8-150600.11.3.1
fixed
suse enterprise server 15 SP7
0.9.8-150600.11.3.1
fixed
Red Hat logo
Red Hat Enterprise Linux Releases
Red Hat Product
Release
libssh
RHEL 9
0:0.10.4-18.el9
fixed
libssh-config
RHEL 9
0:0.10.4-18.el9
fixed
libssh-devel
RHEL 9
0:0.10.4-18.el9
fixed
Common Weakness Enumeration
References
https://access.redhat.com/errata/RHSA-2026:18683
https://access.redhat.com/security/cve/CVE-2025-4878
https://bugzilla.redhat.com/show_bug.cgi?id=2376184
https://git.libssh.org/projects/libssh.git/commit/?id=697650caa97eaf7623924c75f9fcfec6dd423cd1
https://git.libssh.org/projects/libssh.git/commit/?id=b35ee876adc92a208d47194772e99f9c71e0bedb
https://www.libssh.org/security/advisories/CVE-2025-4878.txt