{
  "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"
}