DEBIAN-CVE-2016-8858

DEBIAN-CVE-2016-8858 PUBLISHED CVSS 7.5 HIGH

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."

Risk Scores

CVSS v3.0

7.5

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products

Vendor	Product	Versions
Debian:12	openssh	0, 0, 0
Debian:11	openssh	0, 0, 0
Debian:13	openssh	0, 0, 0
Debian:14	openssh	0, 0, 0

Timeline

Dec 9, 2016 CVE Published
Apr 28, 2026 CVE Updated

References

https://security-tracker.debian.org/tracker/CVE-2016-8858 advisory

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