CVE-2016-8858

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Source
https://cve.org/CVERecord?id=CVE-2016-8858
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2016-8858.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2016-8858
Downstream
Related
Published
2016-12-09T11:59:00.207Z
Modified
2026-04-11T12:00:14.783806Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

The kexinputkexinit 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."

Database specific 
{
    "unresolved_ranges": [
        {
            "cpe": "cpe:2.3:a:openbsd:openssh:7.1:*:*:*:*:*:*:*",
            "extracted_events": [
                {
                    "last_affected": "7.1"
                }
            ],
            "source": "CPE_FIELD"
        },
        {
            "cpe": "cpe:2.3:a:openbsd:openssh:7.2:*:*:*:*:*:*:*",
            "extracted_events": [
                {
                    "last_affected": "7.2"
                }
            ],
            "source": "CPE_FIELD"
        }
    ]
}
References

Affected packages

Git / github.com/openssh/openssh-portable

Affected ranges

Type
GIT
Repo
https://github.com/openssh/openssh-portable
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
9f82e5a9042f2d872e98f48a876fcab3e25dd9bb
Last affected
7de4b03a6e4071d454b72927ffaf52949fa34545
Last affected
1dc8d93ce69d6565747eb44446ed117187621b26
Last affected
99522ba7ec6963a05c04a156bf20e3ba3605987c
Database specific 
{
    "cpe": [
        "cpe:2.3:a:openbsd:openssh:6.8:*:*:*:*:*:*:*",
        "cpe:2.3:a:openbsd:openssh:6.9:*:*:*:*:*:*:*",
        "cpe:2.3:a:openbsd:openssh:7.0:*:*:*:*:*:*:*",
        "cpe:2.3:a:openbsd:openssh:7.3:*:*:*:*:*:*:*"
    ],
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "6.8"
        },
        {
            "last_affected": "6.9"
        },
        {
            "last_affected": "7.0"
        },
        {
            "last_affected": "7.3"
        }
    ],
    "source": "CPE_FIELD"
}

Affected versions

Other
ABOUT_TO_ADD_INET_ATON
AFTER_FREEBSD_PAM_MERGE
AFTER_KRB5_GSSAPI_MERGE
BEFORE_FREEBSD_PAM_MERGE
BEFORE_KRB5_GSSAPI_MERGE
POST_KRB4_REMOVAL
PRE-REORDER
PRE_CYGWIN_MERGE
PRE_DAN_PATCH_MERGE
PRE_FIXPATHS_INTEGRATION
PRE_HPUX_INTEGRATION
PRE_IPV6
PRE_KRB4_REMOVAL
PRE_NEW_LOGIN_CODE
PRE_SW_KRBV
V_1_2PRE17
V_1_2_1_PRE18
V_1_2_1_PRE19
V_1_2_1_PRE20
V_1_2_1_PRE21
V_1_2_1_PRE22
V_1_2_1_PRE23
V_1_2_1_PRE24
V_1_2_1_PRE25
V_1_2_1_PRE26
V_1_2_1_PRE27
V_1_2_2
V_1_2_2_P1
V_1_2_2_PRE28
V_1_2_2_PRE29
V_1_2_3
V_1_2_3_PRE1
V_1_2_3_PRE2
V_1_2_3_PRE3
V_1_2_3_PRE4
V_1_2_3_PRE5
V_1_2_3_TEST1
V_1_2_3_TEST2
V_1_2_3_TEST3
V_1_2_PRE10
V_1_2_PRE11
V_1_2_PRE12
V_1_2_PRE13
V_1_2_PRE14
V_1_2_PRE15
V_1_2_PRE16
V_1_2_PRE4
V_1_2_PRE5
V_1_2_PRE6
V_1_2_PRE7
V_1_2_PRE8
V_1_2_PRE9
V_2_0_0_BETA1
V_2_0_0_BETA2
V_2_0_0_TEST1
V_2_1_0
V_2_1_0_P1
V_2_1_0_P2
V_2_1_0_P3
V_2_1_1_P1
V_2_1_1_P2
V_2_1_1_P3
V_2_1_1_P4
V_2_2_0_P1
V_2_3_0_P1
V_2_5_0_P1
V_2_5_1_P1
V_2_5_1_P2
V_2_5_2_P1
V_3_0_1_P1
V_3_0_P1
V_3_1_P1
V_3_2_2_P1
V_3_4_P1
V_3_6_1_P1
V_3_8_P1
V_3_9_P1
V_4_2_P1
V_5_0_P1
V_5_1_P1
V_5_2_P1
V_5_5_P1
V_5_7_P1
V_6_0_P1
V_6_1_P1
V_6_2_P1
V_6_5_P1
V_6_6_P1
V_6_8_P1
V_6_9_P1
V_7_0_P1
V_7_1_P1
V_7_2_P1
V_7_3_P1

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2016-8858.json"