Refine your search
3 vulnerabilities found for by The libssh2 Project
CVE-2019-3863 (GCVE-0-2019-3863)
Vulnerability from cvelistv5
Published
2019-03-25 17:52
Modified
2025-12-19 03:02
Severity ?
VLAI Severity ?
EPSS score ?
Summary
A flaw was found in libssh2 before 1.8.1 creating a vulnerability on the SSH client side. A server could send a multiple keyboard interactive response messages whose total length are greater than unsigned char max characters. This value is used by the SSH client as an index to copy memory causing in an out of bounds memory write error.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| The libssh2 Project | libssh2 |
Version: 1.8.1 |
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-04T19:19:18.614Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3863"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://www.libssh2.org/CVE-2019-3863.html"
},
{
"name": "[debian-lts-announce] 20190326 [SECURITY] [DLA 1730-1] libssh2 security update",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://security.netapp.com/advisory/ntap-20190327-0005/"
},
{
"name": "RHSA-2019:0679",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT",
"x_transferred"
],
"url": "https://access.redhat.com/errata/RHSA-2019:0679"
},
{
"name": "openSUSE-SU-2019:1075",
"tags": [
"vendor-advisory",
"x_refsource_SUSE",
"x_transferred"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html"
},
{
"name": "openSUSE-SU-2019:1109",
"tags": [
"vendor-advisory",
"x_refsource_SUSE",
"x_transferred"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html"
},
{
"name": "FEDORA-2019-3348cb4934",
"tags": [
"vendor-advisory",
"x_refsource_FEDORA",
"x_transferred"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/"
},
{
"name": "DSA-4431",
"tags": [
"vendor-advisory",
"x_refsource_DEBIAN",
"x_transferred"
],
"url": "https://www.debian.org/security/2019/dsa-4431"
},
{
"name": "20190415 [SECURITY] [DSA 4431-1] libssh2 security update",
"tags": [
"mailing-list",
"x_refsource_BUGTRAQ",
"x_transferred"
],
"url": "https://seclists.org/bugtraq/2019/Apr/25"
},
{
"name": "RHSA-2019:1175",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT",
"x_transferred"
],
"url": "https://access.redhat.com/errata/RHSA-2019:1175"
},
{
"name": "RHSA-2019:1652",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT",
"x_transferred"
],
"url": "https://access.redhat.com/errata/RHSA-2019:1652"
},
{
"name": "RHSA-2019:1791",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT",
"x_transferred"
],
"url": "https://access.redhat.com/errata/RHSA-2019:1791"
},
{
"name": "RHSA-2019:1943",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT",
"x_transferred"
],
"url": "https://access.redhat.com/errata/RHSA-2019:1943"
},
{
"name": "RHSA-2019:2399",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT",
"x_transferred"
],
"url": "https://access.redhat.com/errata/RHSA-2019:2399"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2019-3863",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-04-23T13:20:45.609039Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-04-23T19:48:19.703Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "libssh2",
"vendor": "The libssh2 Project",
"versions": [
{
"status": "affected",
"version": "1.8.1"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A flaw was found in libssh2 before 1.8.1 creating a vulnerability on the SSH client side. A server could send a multiple keyboard interactive response messages whose total length are greater than unsigned char max characters. This value is used by the SSH client as an index to copy memory causing in an out of bounds memory write error."
}
],
"metrics": [
{
"cvssV3_0": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-190",
"description": "CWE-190",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-787",
"description": "CWE-787",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-12-19T03:02:32.466Z",
"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"shortName": "redhat"
},
"references": [
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3863"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://www.libssh2.org/CVE-2019-3863.html"
},
{
"name": "[debian-lts-announce] 20190326 [SECURITY] [DLA 1730-1] libssh2 security update",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://security.netapp.com/advisory/ntap-20190327-0005/"
},
{
"name": "RHSA-2019:0679",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2019:0679"
},
{
"name": "openSUSE-SU-2019:1075",
"tags": [
"vendor-advisory",
"x_refsource_SUSE"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html"
},
{
"name": "openSUSE-SU-2019:1109",
"tags": [
"vendor-advisory",
"x_refsource_SUSE"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html"
},
{
"name": "FEDORA-2019-3348cb4934",
"tags": [
"vendor-advisory",
"x_refsource_FEDORA"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/"
},
{
"name": "DSA-4431",
"tags": [
"vendor-advisory",
"x_refsource_DEBIAN"
],
"url": "https://www.debian.org/security/2019/dsa-4431"
},
{
"name": "20190415 [SECURITY] [DSA 4431-1] libssh2 security update",
"tags": [
"mailing-list",
"x_refsource_BUGTRAQ"
],
"url": "https://seclists.org/bugtraq/2019/Apr/25"
},
{
"name": "RHSA-2019:1175",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2019:1175"
},
{
"name": "RHSA-2019:1652",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2019:1652"
},
{
"name": "RHSA-2019:1791",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2019:1791"
},
{
"name": "RHSA-2019:1943",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2019:1943"
},
{
"name": "RHSA-2019:2399",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2019:2399"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "secalert@redhat.com",
"ID": "CVE-2019-3863",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "libssh2",
"version": {
"version_data": [
{
"version_value": "1.8.1"
}
]
}
}
]
},
"vendor_name": "The libssh2 Project"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "A flaw was found in libssh2 before 1.8.1. A server could send a multiple keyboard interactive response messages whose total length are greater than unsigned char max characters. This value is used as an index to copy memory causing in an out of bounds memory write error."
}
]
},
"impact": {
"cvss": [
[
{
"vectorString": "7.5/CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.0"
}
]
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-190"
}
]
},
{
"description": [
{
"lang": "eng",
"value": "CWE-787"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3863",
"refsource": "CONFIRM",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3863"
},
{
"name": "https://www.libssh2.org/CVE-2019-3863.html",
"refsource": "MISC",
"url": "https://www.libssh2.org/CVE-2019-3863.html"
},
{
"name": "[debian-lts-announce] 20190326 [SECURITY] [DLA 1730-1] libssh2 security update",
"refsource": "MLIST",
"url": "https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html"
},
{
"name": "https://security.netapp.com/advisory/ntap-20190327-0005/",
"refsource": "CONFIRM",
"url": "https://security.netapp.com/advisory/ntap-20190327-0005/"
},
{
"name": "RHSA-2019:0679",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:0679"
},
{
"name": "openSUSE-SU-2019:1075",
"refsource": "SUSE",
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html"
},
{
"name": "openSUSE-SU-2019:1109",
"refsource": "SUSE",
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html"
},
{
"name": "FEDORA-2019-3348cb4934",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/"
},
{
"name": "DSA-4431",
"refsource": "DEBIAN",
"url": "https://www.debian.org/security/2019/dsa-4431"
},
{
"name": "20190415 [SECURITY] [DSA 4431-1] libssh2 security update",
"refsource": "BUGTRAQ",
"url": "https://seclists.org/bugtraq/2019/Apr/25"
},
{
"name": "RHSA-2019:1175",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:1175"
},
{
"name": "RHSA-2019:1652",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:1652"
},
{
"name": "RHSA-2019:1791",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:1791"
},
{
"name": "RHSA-2019:1943",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:1943"
},
{
"name": "RHSA-2019:2399",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:2399"
},
{
"name": "https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html",
"refsource": "MISC",
"url": "https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"assignerShortName": "redhat",
"cveId": "CVE-2019-3863",
"datePublished": "2019-03-25T17:52:10.000Z",
"dateReserved": "2019-01-03T00:00:00.000Z",
"dateUpdated": "2025-12-19T03:02:32.466Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2019-3855 (GCVE-0-2019-3855)
Vulnerability from cvelistv5
Published
2019-03-21 20:13
Modified
2025-12-17 21:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way packets are read from the server. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.
References
| URL | Tags | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| The libssh2 Project | libssh2 |
Version: 1.8.1 |
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-04T19:19:18.675Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"name": "[oss-security] 20190318 [SECURITY ADVISORIES] libssh2",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "http://www.openwall.com/lists/oss-security/2019/03/18/3"
},
{
"name": "20190319 [slackware-security] libssh2 (SSA:2019-077-01)",
"tags": [
"mailing-list",
"x_refsource_BUGTRAQ",
"x_transferred"
],
"url": "https://seclists.org/bugtraq/2019/Mar/25"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://www.libssh2.org/CVE-2019-3855.html"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3855"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "http://packetstormsecurity.com/files/152136/Slackware-Security-Advisory-libssh2-Updates.html"
},
{
"name": "107485",
"tags": [
"vdb-entry",
"x_refsource_BID",
"x_transferred"
],
"url": "http://www.securityfocus.com/bid/107485"
},
{
"name": "FEDORA-2019-f31c14682f",
"tags": [
"vendor-advisory",
"x_refsource_FEDORA",
"x_transferred"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XCWEA5ZCLKRDUK62QVVYMFWLWKOPX3LO/"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2019-767"
},
{
"name": "[debian-lts-announce] 20190326 [SECURITY] [DLA 1730-1] libssh2 security update",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://security.netapp.com/advisory/ntap-20190327-0005/"
},
{
"name": "RHSA-2019:0679",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT",
"x_transferred"
],
"url": "https://access.redhat.com/errata/RHSA-2019:0679"
},
{
"name": "openSUSE-SU-2019:1075",
"tags": [
"vendor-advisory",
"x_refsource_SUSE",
"x_transferred"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html"
},
{
"name": "openSUSE-SU-2019:1109",
"tags": [
"vendor-advisory",
"x_refsource_SUSE",
"x_transferred"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html"
},
{
"name": "FEDORA-2019-3348cb4934",
"tags": [
"vendor-advisory",
"x_refsource_FEDORA",
"x_transferred"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/"
},
{
"name": "DSA-4431",
"tags": [
"vendor-advisory",
"x_refsource_DEBIAN",
"x_transferred"
],
"url": "https://www.debian.org/security/2019/dsa-4431"
},
{
"name": "20190415 [SECURITY] [DSA 4431-1] libssh2 security update",
"tags": [
"mailing-list",
"x_refsource_BUGTRAQ",
"x_transferred"
],
"url": "https://seclists.org/bugtraq/2019/Apr/25"
},
{
"name": "RHSA-2019:1175",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT",
"x_transferred"
],
"url": "https://access.redhat.com/errata/RHSA-2019:1175"
},
{
"name": "RHSA-2019:1652",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT",
"x_transferred"
],
"url": "https://access.redhat.com/errata/RHSA-2019:1652"
},
{
"name": "RHSA-2019:1791",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT",
"x_transferred"
],
"url": "https://access.redhat.com/errata/RHSA-2019:1791"
},
{
"name": "RHSA-2019:1943",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT",
"x_transferred"
],
"url": "https://access.redhat.com/errata/RHSA-2019:1943"
},
{
"name": "FEDORA-2019-9d85600fc7",
"tags": [
"vendor-advisory",
"x_refsource_FEDORA",
"x_transferred"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6LUNHPW64IGCASZ4JQ2J5KDXNZN53DWW/"
},
{
"name": "FEDORA-2019-5885663621",
"tags": [
"vendor-advisory",
"x_refsource_FEDORA",
"x_transferred"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M7IF3LNHOA75O4WZWIHJLIRMA5LJUED3/"
},
{
"name": "RHSA-2019:2399",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT",
"x_transferred"
],
"url": "https://access.redhat.com/errata/RHSA-2019:2399"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://support.apple.com/kb/HT210609"
},
{
"name": "20190927 APPLE-SA-2019-9-26-7 Xcode 11.0",
"tags": [
"mailing-list",
"x_refsource_BUGTRAQ",
"x_transferred"
],
"url": "https://seclists.org/bugtraq/2019/Sep/49"
},
{
"name": "20190927 APPLE-SA-2019-9-26-7 Xcode 11.0",
"tags": [
"mailing-list",
"x_refsource_FULLDISC",
"x_transferred"
],
"url": "http://seclists.org/fulldisclosure/2019/Sep/42"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2019-3855",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-12-17T21:39:23.503426Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-12-17T21:40:11.249Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "libssh2",
"vendor": "The libssh2 Project",
"versions": [
{
"status": "affected",
"version": "1.8.1"
}
]
}
],
"datePublic": "2019-03-13T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way packets are read from the server. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server."
}
],
"metrics": [
{
"cvssV3_0": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-190",
"description": "CWE-190",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-787",
"description": "CWE-787",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2019-10-16T17:41:00.000Z",
"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"shortName": "redhat"
},
"references": [
{
"name": "[oss-security] 20190318 [SECURITY ADVISORIES] libssh2",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "http://www.openwall.com/lists/oss-security/2019/03/18/3"
},
{
"name": "20190319 [slackware-security] libssh2 (SSA:2019-077-01)",
"tags": [
"mailing-list",
"x_refsource_BUGTRAQ"
],
"url": "https://seclists.org/bugtraq/2019/Mar/25"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://www.libssh2.org/CVE-2019-3855.html"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3855"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "http://packetstormsecurity.com/files/152136/Slackware-Security-Advisory-libssh2-Updates.html"
},
{
"name": "107485",
"tags": [
"vdb-entry",
"x_refsource_BID"
],
"url": "http://www.securityfocus.com/bid/107485"
},
{
"name": "FEDORA-2019-f31c14682f",
"tags": [
"vendor-advisory",
"x_refsource_FEDORA"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XCWEA5ZCLKRDUK62QVVYMFWLWKOPX3LO/"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2019-767"
},
{
"name": "[debian-lts-announce] 20190326 [SECURITY] [DLA 1730-1] libssh2 security update",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://security.netapp.com/advisory/ntap-20190327-0005/"
},
{
"name": "RHSA-2019:0679",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2019:0679"
},
{
"name": "openSUSE-SU-2019:1075",
"tags": [
"vendor-advisory",
"x_refsource_SUSE"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html"
},
{
"name": "openSUSE-SU-2019:1109",
"tags": [
"vendor-advisory",
"x_refsource_SUSE"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html"
},
{
"name": "FEDORA-2019-3348cb4934",
"tags": [
"vendor-advisory",
"x_refsource_FEDORA"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/"
},
{
"name": "DSA-4431",
"tags": [
"vendor-advisory",
"x_refsource_DEBIAN"
],
"url": "https://www.debian.org/security/2019/dsa-4431"
},
{
"name": "20190415 [SECURITY] [DSA 4431-1] libssh2 security update",
"tags": [
"mailing-list",
"x_refsource_BUGTRAQ"
],
"url": "https://seclists.org/bugtraq/2019/Apr/25"
},
{
"name": "RHSA-2019:1175",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2019:1175"
},
{
"name": "RHSA-2019:1652",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2019:1652"
},
{
"name": "RHSA-2019:1791",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2019:1791"
},
{
"name": "RHSA-2019:1943",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2019:1943"
},
{
"name": "FEDORA-2019-9d85600fc7",
"tags": [
"vendor-advisory",
"x_refsource_FEDORA"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6LUNHPW64IGCASZ4JQ2J5KDXNZN53DWW/"
},
{
"name": "FEDORA-2019-5885663621",
"tags": [
"vendor-advisory",
"x_refsource_FEDORA"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M7IF3LNHOA75O4WZWIHJLIRMA5LJUED3/"
},
{
"name": "RHSA-2019:2399",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2019:2399"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://support.apple.com/kb/HT210609"
},
{
"name": "20190927 APPLE-SA-2019-9-26-7 Xcode 11.0",
"tags": [
"mailing-list",
"x_refsource_BUGTRAQ"
],
"url": "https://seclists.org/bugtraq/2019/Sep/49"
},
{
"name": "20190927 APPLE-SA-2019-9-26-7 Xcode 11.0",
"tags": [
"mailing-list",
"x_refsource_FULLDISC"
],
"url": "http://seclists.org/fulldisclosure/2019/Sep/42"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "secalert@redhat.com",
"ID": "CVE-2019-3855",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "libssh2",
"version": {
"version_data": [
{
"version_value": "1.8.1"
}
]
}
}
]
},
"vendor_name": "The libssh2 Project"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way packets are read from the server. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server."
}
]
},
"impact": {
"cvss": [
[
{
"vectorString": "7.5/CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.0"
}
]
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-190"
}
]
},
{
"description": [
{
"lang": "eng",
"value": "CWE-787"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "[oss-security] 20190318 [SECURITY ADVISORIES] libssh2",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2019/03/18/3"
},
{
"name": "20190319 [slackware-security] libssh2 (SSA:2019-077-01)",
"refsource": "BUGTRAQ",
"url": "https://seclists.org/bugtraq/2019/Mar/25"
},
{
"name": "https://www.libssh2.org/CVE-2019-3855.html",
"refsource": "MISC",
"url": "https://www.libssh2.org/CVE-2019-3855.html"
},
{
"name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3855",
"refsource": "CONFIRM",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3855"
},
{
"name": "http://packetstormsecurity.com/files/152136/Slackware-Security-Advisory-libssh2-Updates.html",
"refsource": "MISC",
"url": "http://packetstormsecurity.com/files/152136/Slackware-Security-Advisory-libssh2-Updates.html"
},
{
"name": "107485",
"refsource": "BID",
"url": "http://www.securityfocus.com/bid/107485"
},
{
"name": "FEDORA-2019-f31c14682f",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XCWEA5ZCLKRDUK62QVVYMFWLWKOPX3LO/"
},
{
"name": "https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2019-767",
"refsource": "CONFIRM",
"url": "https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2019-767"
},
{
"name": "[debian-lts-announce] 20190326 [SECURITY] [DLA 1730-1] libssh2 security update",
"refsource": "MLIST",
"url": "https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html"
},
{
"name": "https://security.netapp.com/advisory/ntap-20190327-0005/",
"refsource": "CONFIRM",
"url": "https://security.netapp.com/advisory/ntap-20190327-0005/"
},
{
"name": "RHSA-2019:0679",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:0679"
},
{
"name": "openSUSE-SU-2019:1075",
"refsource": "SUSE",
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html"
},
{
"name": "openSUSE-SU-2019:1109",
"refsource": "SUSE",
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html"
},
{
"name": "FEDORA-2019-3348cb4934",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/"
},
{
"name": "DSA-4431",
"refsource": "DEBIAN",
"url": "https://www.debian.org/security/2019/dsa-4431"
},
{
"name": "20190415 [SECURITY] [DSA 4431-1] libssh2 security update",
"refsource": "BUGTRAQ",
"url": "https://seclists.org/bugtraq/2019/Apr/25"
},
{
"name": "RHSA-2019:1175",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:1175"
},
{
"name": "RHSA-2019:1652",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:1652"
},
{
"name": "RHSA-2019:1791",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:1791"
},
{
"name": "RHSA-2019:1943",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:1943"
},
{
"name": "FEDORA-2019-9d85600fc7",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6LUNHPW64IGCASZ4JQ2J5KDXNZN53DWW/"
},
{
"name": "FEDORA-2019-5885663621",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M7IF3LNHOA75O4WZWIHJLIRMA5LJUED3/"
},
{
"name": "RHSA-2019:2399",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:2399"
},
{
"name": "https://support.apple.com/kb/HT210609",
"refsource": "CONFIRM",
"url": "https://support.apple.com/kb/HT210609"
},
{
"name": "20190927 APPLE-SA-2019-9-26-7 Xcode 11.0",
"refsource": "BUGTRAQ",
"url": "https://seclists.org/bugtraq/2019/Sep/49"
},
{
"name": "20190927 APPLE-SA-2019-9-26-7 Xcode 11.0",
"refsource": "FULLDISC",
"url": "http://seclists.org/fulldisclosure/2019/Sep/42"
},
{
"name": "https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html",
"refsource": "MISC",
"url": "https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"assignerShortName": "redhat",
"cveId": "CVE-2019-3855",
"datePublished": "2019-03-21T20:13:25.000Z",
"dateReserved": "2019-01-03T00:00:00.000Z",
"dateUpdated": "2025-12-17T21:40:11.249Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2019-3859 (GCVE-0-2019-3859)
Vulnerability from cvelistv5
Published
2019-03-20 21:18
Modified
2025-12-18 11:43
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the _libssh2_packet_require and _libssh2_packet_requirev functions. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| The libssh2 Project | libssh2 |
Version: 1.8.1 |
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-04T19:19:18.624Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"name": "[oss-security] 20190318 [SECURITY ADVISORIES] libssh2",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "http://www.openwall.com/lists/oss-security/2019/03/18/3"
},
{
"name": "20190319 [slackware-security] libssh2 (SSA:2019-077-01)",
"tags": [
"mailing-list",
"x_refsource_BUGTRAQ",
"x_transferred"
],
"url": "https://seclists.org/bugtraq/2019/Mar/25"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://www.libssh2.org/CVE-2019-3859.html"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3859"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "http://packetstormsecurity.com/files/152136/Slackware-Security-Advisory-libssh2-Updates.html"
},
{
"name": "107485",
"tags": [
"vdb-entry",
"x_refsource_BID",
"x_transferred"
],
"url": "http://www.securityfocus.com/bid/107485"
},
{
"name": "FEDORA-2019-f31c14682f",
"tags": [
"vendor-advisory",
"x_refsource_FEDORA",
"x_transferred"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XCWEA5ZCLKRDUK62QVVYMFWLWKOPX3LO/"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2019-767"
},
{
"name": "[debian-lts-announce] 20190326 [SECURITY] [DLA 1730-1] libssh2 security update",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://security.netapp.com/advisory/ntap-20190327-0005/"
},
{
"name": "openSUSE-SU-2019:1075",
"tags": [
"vendor-advisory",
"x_refsource_SUSE",
"x_transferred"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html"
},
{
"name": "[debian-lts-announce] 20190402 [SECURITY] [DLA 1730-2] libssh2 regression update",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "https://lists.debian.org/debian-lts-announce/2019/04/msg00006.html"
},
{
"name": "openSUSE-SU-2019:1109",
"tags": [
"vendor-advisory",
"x_refsource_SUSE",
"x_transferred"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html"
},
{
"name": "FEDORA-2019-3348cb4934",
"tags": [
"vendor-advisory",
"x_refsource_FEDORA",
"x_transferred"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/"
},
{
"name": "DSA-4431",
"tags": [
"vendor-advisory",
"x_refsource_DEBIAN",
"x_transferred"
],
"url": "https://www.debian.org/security/2019/dsa-4431"
},
{
"name": "20190415 [SECURITY] [DSA 4431-1] libssh2 security update",
"tags": [
"mailing-list",
"x_refsource_BUGTRAQ",
"x_transferred"
],
"url": "https://seclists.org/bugtraq/2019/Apr/25"
},
{
"name": "openSUSE-SU-2019:1290",
"tags": [
"vendor-advisory",
"x_refsource_SUSE",
"x_transferred"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00102.html"
},
{
"name": "openSUSE-SU-2019:1291",
"tags": [
"vendor-advisory",
"x_refsource_SUSE",
"x_transferred"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00103.html"
},
{
"name": "[debian-lts-announce] 20190725 [SECURITY] [DLA 1730-3] libssh2 regression update",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "https://lists.debian.org/debian-lts-announce/2019/07/msg00024.html"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.1,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2019-3859",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-12-18T11:43:41.716172Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-125",
"description": "CWE-125 Out-of-bounds Read",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-12-18T11:43:47.109Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "libssh2",
"vendor": "The libssh2 Project",
"versions": [
{
"status": "affected",
"version": "1.8.1"
}
]
}
],
"datePublic": "2019-03-13T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the _libssh2_packet_require and _libssh2_packet_requirev functions. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory."
}
],
"metrics": [
{
"cvssV3_0": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L",
"version": "3.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-125",
"description": "CWE-125",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2019-10-16T17:41:00.000Z",
"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"shortName": "redhat"
},
"references": [
{
"name": "[oss-security] 20190318 [SECURITY ADVISORIES] libssh2",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "http://www.openwall.com/lists/oss-security/2019/03/18/3"
},
{
"name": "20190319 [slackware-security] libssh2 (SSA:2019-077-01)",
"tags": [
"mailing-list",
"x_refsource_BUGTRAQ"
],
"url": "https://seclists.org/bugtraq/2019/Mar/25"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://www.libssh2.org/CVE-2019-3859.html"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3859"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "http://packetstormsecurity.com/files/152136/Slackware-Security-Advisory-libssh2-Updates.html"
},
{
"name": "107485",
"tags": [
"vdb-entry",
"x_refsource_BID"
],
"url": "http://www.securityfocus.com/bid/107485"
},
{
"name": "FEDORA-2019-f31c14682f",
"tags": [
"vendor-advisory",
"x_refsource_FEDORA"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XCWEA5ZCLKRDUK62QVVYMFWLWKOPX3LO/"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2019-767"
},
{
"name": "[debian-lts-announce] 20190326 [SECURITY] [DLA 1730-1] libssh2 security update",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://security.netapp.com/advisory/ntap-20190327-0005/"
},
{
"name": "openSUSE-SU-2019:1075",
"tags": [
"vendor-advisory",
"x_refsource_SUSE"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html"
},
{
"name": "[debian-lts-announce] 20190402 [SECURITY] [DLA 1730-2] libssh2 regression update",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "https://lists.debian.org/debian-lts-announce/2019/04/msg00006.html"
},
{
"name": "openSUSE-SU-2019:1109",
"tags": [
"vendor-advisory",
"x_refsource_SUSE"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html"
},
{
"name": "FEDORA-2019-3348cb4934",
"tags": [
"vendor-advisory",
"x_refsource_FEDORA"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/"
},
{
"name": "DSA-4431",
"tags": [
"vendor-advisory",
"x_refsource_DEBIAN"
],
"url": "https://www.debian.org/security/2019/dsa-4431"
},
{
"name": "20190415 [SECURITY] [DSA 4431-1] libssh2 security update",
"tags": [
"mailing-list",
"x_refsource_BUGTRAQ"
],
"url": "https://seclists.org/bugtraq/2019/Apr/25"
},
{
"name": "openSUSE-SU-2019:1290",
"tags": [
"vendor-advisory",
"x_refsource_SUSE"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00102.html"
},
{
"name": "openSUSE-SU-2019:1291",
"tags": [
"vendor-advisory",
"x_refsource_SUSE"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00103.html"
},
{
"name": "[debian-lts-announce] 20190725 [SECURITY] [DLA 1730-3] libssh2 regression update",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "https://lists.debian.org/debian-lts-announce/2019/07/msg00024.html"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "secalert@redhat.com",
"ID": "CVE-2019-3859",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "libssh2",
"version": {
"version_data": [
{
"version_value": "1.8.1"
}
]
}
}
]
},
"vendor_name": "The libssh2 Project"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the _libssh2_packet_require and _libssh2_packet_requirev functions. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory."
}
]
},
"impact": {
"cvss": [
[
{
"vectorString": "5.0/CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L",
"version": "3.0"
}
]
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-125"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "[oss-security] 20190318 [SECURITY ADVISORIES] libssh2",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2019/03/18/3"
},
{
"name": "20190319 [slackware-security] libssh2 (SSA:2019-077-01)",
"refsource": "BUGTRAQ",
"url": "https://seclists.org/bugtraq/2019/Mar/25"
},
{
"name": "https://www.libssh2.org/CVE-2019-3859.html",
"refsource": "MISC",
"url": "https://www.libssh2.org/CVE-2019-3859.html"
},
{
"name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3859",
"refsource": "CONFIRM",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3859"
},
{
"name": "http://packetstormsecurity.com/files/152136/Slackware-Security-Advisory-libssh2-Updates.html",
"refsource": "MISC",
"url": "http://packetstormsecurity.com/files/152136/Slackware-Security-Advisory-libssh2-Updates.html"
},
{
"name": "107485",
"refsource": "BID",
"url": "http://www.securityfocus.com/bid/107485"
},
{
"name": "FEDORA-2019-f31c14682f",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XCWEA5ZCLKRDUK62QVVYMFWLWKOPX3LO/"
},
{
"name": "https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2019-767",
"refsource": "CONFIRM",
"url": "https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2019-767"
},
{
"name": "[debian-lts-announce] 20190326 [SECURITY] [DLA 1730-1] libssh2 security update",
"refsource": "MLIST",
"url": "https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html"
},
{
"name": "https://security.netapp.com/advisory/ntap-20190327-0005/",
"refsource": "CONFIRM",
"url": "https://security.netapp.com/advisory/ntap-20190327-0005/"
},
{
"name": "openSUSE-SU-2019:1075",
"refsource": "SUSE",
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html"
},
{
"name": "[debian-lts-announce] 20190402 [SECURITY] [DLA 1730-2] libssh2 regression update",
"refsource": "MLIST",
"url": "https://lists.debian.org/debian-lts-announce/2019/04/msg00006.html"
},
{
"name": "openSUSE-SU-2019:1109",
"refsource": "SUSE",
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html"
},
{
"name": "FEDORA-2019-3348cb4934",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/"
},
{
"name": "DSA-4431",
"refsource": "DEBIAN",
"url": "https://www.debian.org/security/2019/dsa-4431"
},
{
"name": "20190415 [SECURITY] [DSA 4431-1] libssh2 security update",
"refsource": "BUGTRAQ",
"url": "https://seclists.org/bugtraq/2019/Apr/25"
},
{
"name": "openSUSE-SU-2019:1290",
"refsource": "SUSE",
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00102.html"
},
{
"name": "openSUSE-SU-2019:1291",
"refsource": "SUSE",
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00103.html"
},
{
"name": "[debian-lts-announce] 20190725 [SECURITY] [DLA 1730-3] libssh2 regression update",
"refsource": "MLIST",
"url": "https://lists.debian.org/debian-lts-announce/2019/07/msg00024.html"
},
{
"name": "https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html",
"refsource": "MISC",
"url": "https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"assignerShortName": "redhat",
"cveId": "CVE-2019-3859",
"datePublished": "2019-03-20T21:18:13.000Z",
"dateReserved": "2019-01-03T00:00:00.000Z",
"dateUpdated": "2025-12-18T11:43:47.109Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}