CVE-2023-1667
libssh - security update
6.5
MEDIUM
CVSS 3.1
EPSS 1.1%
Description
A NULL pointer dereference was found In libssh during re-keying with algorithm guessing. This issue may allow an authenticated client to cause a denial of service.
How to fix CVE-2023-1667
To remediate CVE-2023-1667, upgrade the affected package to a fixed version below.
- Debian/libssh—upgrade to 0.9.7-0+deb11u1 or later
- Debian/libssh—upgrade to 0.9.7-0+deb11u1 or later
Is CVE-2023-1667 being exploited?
Low — EPSS is 1.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 0.9.7-0+deb11u1
- from 0, < 0.9.7-0+deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |