CVE-2019-3861

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Source
https://cve.org/CVERecord?id=CVE-2019-3861
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-3861.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2019-3861
Downstream
Related
Published
2019-03-25T19:29:01.930Z
Modified
2026-04-11T12:14:40.345299Z
Severity
  • 9.1 (Critical) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H CVSS Calculator
Summary
[none]
Details

An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the way SSH packets with a padding length value greater than the packet length are parsed. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.

Database specific 
{
    "unresolved_ranges": [
        {
            "source": "CPE_FIELD",
            "cpe": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
            "extracted_events": [
                {
                    "last_affected": "8.0"
                }
            ]
        },
        {
            "source": "CPE_FIELD",
            "cpe": "cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*",
            "extracted_events": [
                {
                    "last_affected": "15.0"
                }
            ]
        },
        {
            "source": "CPE_FIELD",
            "cpe": "cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:*",
            "extracted_events": [
                {
                    "last_affected": "42.3"
                }
            ]
        }
    ]
}
References

Affected packages

Git / github.com/libssh2/libssh2

Affected ranges

Type
GIT
Repo
https://github.com/libssh2/libssh2
Events
Introduced
74b12c3c7adaab4ab22f0284672dd95a573664b6
Last affected
30e9c1347e3b8baa2951db612f05e6d87fc8e2f2
Database specific 
{
    "source": "CPE_FIELD",
    "cpe": "cpe:2.3:a:libssh2:libssh2:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0.15"
        },
        {
            "last_affected": "1.8.0"
        }
    ]
}

Affected versions

RELEASE.*
RELEASE.0.15
RELEASE.0.16
RELEASE.0.17
RELEASE.0.18
RELEASE.1.0
RELEASE.1.1
libssh2-1.*
libssh2-1.2
libssh2-1.2.1
libssh2-1.2.3
libssh2-1.2.4
libssh2-1.2.5
libssh2-1.2.6
libssh2-1.2.7
libssh2-1.2.8
libssh2-1.2.9
libssh2-1.3.0
libssh2-1.4.0
libssh2-1.4.1
libssh2-1.4.2
libssh2-1.4.3
libssh2-1.5.0
libssh2-1.6.0
libssh2-1.7.0
libssh2-1.8.0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-3861.json"