CVE-2025-4878
3.6
LOW
CVSS 3.1
EPSS 0.20%
Description
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.
How to fix CVE-2025-4878
To remediate CVE-2025-4878, upgrade the affected package to a fixed version below.
- Debian/libssh—upgrade to 0.9.8-0+deb11u2 or later
Is CVE-2025-4878 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 0.9.8-0+deb11u2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | LOW3.6 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N |