CVE-2016-8858
HIGH7.5EPSS 31.2%Published: 12/9/2016Modified: 4/28/2026
Also known as:DEBIAN-CVE-2016-8858
Description
The kex_input_kexinit function in kex.c in OpenSSH 6.x and 7.x through 7.3 allows remote attackers to cause a denial of service (memory consumption) by sending many duplicate KEXINIT requests. NOTE: a third party reports that "OpenSSH upstream does not consider this as a security issue."
Affected packages (1)
- Debian/opensshfrom 0, < 1:7.3p1-2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |