CVE-2016-10708

sshd in OpenSSH before 7.4 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via an out-of-sequence NEWKEYS message, as demonstrated by Honggfuzz, related to kex.c and packet.c.

This issue affects the versions of openssh as shipped with Red Hat Enterprise Linux 6 and Red Hat Enterprise Linux 7 (versions 7.3 and earlier). For Red Hat Enterprise Linux 7 (versions 7.4 and later), this issue was fixed by the Security Advisory RHSA-2017:2029. For Red Hat Enterprise Linux 6, Red Hat Product Security has rated this issue as having Low security impact. A future update may address this issue. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.