DEBIAN-CVE-2016-8858

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2016-8858
Published: 09 Dec 2016, 11:59
Last modified:28 Apr 2026, 20:16

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
3.0 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

09 Dec 2016, 11:59
Published
Vulnerability first disclosed
28 Apr 2026, 20:16
Last Modified
Vulnerability information updated

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."

CVSS Metrics

  • v3.0•HIGH•Score: 7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Systems

  • debian•openssh

    < 1:7.3p1-2 | < 1:7.3p1-2 | < 1:7.3p1-2 | < 1:7.3p1-2

References (1)