{
  "document": {
    "aggregate_severity": {
      "text": "High"
    },
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "TuxCare License Agreement",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://tuxcare.com/contact/",
      "name": "TuxCare",
      "namespace": "https://tuxcare.com/"
    },
    "references": [
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.tuxcare.com/csaf/v2/els_os/oraclelinux6els/vex/2018/cve-2018-6829-els_os-oraclelinux6els.json"
      }
    ],
    "tracking": {
      "current_release_date": "2026-10-28T11:29:22Z",
      "generator": {
        "date": "2026-10-28T11:29:22Z",
        "engine": {
          "name": "pyCSAF"
        }
      },
      "id": "CVE-2018-6829-ELS_OS-ORACLELINUX6ELS",
      "initial_release_date": "2018-02-07T23:29:00Z",
      "revision_history": [
        {
          "date": "2018-02-07T23:29:00Z",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2026-10-28T11:29:22Z",
          "number": "2",
          "summary": "Official Publication"
        }
      ],
      "status": "final",
      "version": "2"
    },
    "title": "Security update on CVE-2018-6829"
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Oracle Linux 6",
                "product": {
                  "name": "Oracle Linux 6",
                  "product_id": "Oracle-Linux-6",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:o:oracle:linux:6:*:*:*:*:*:*:*"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Oracle Linux"
          }
        ],
        "category": "vendor",
        "name": "Oracle Corporation"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "libgcrypt-0:1.4.5-12.el6_8.tuxcare.els1.x86_64",
                "product": {
                  "name": "libgcrypt-0:1.4.5-12.el6_8.tuxcare.els1.x86_64",
                  "product_id": "libgcrypt-0:1.4.5-12.el6_8.tuxcare.els1.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/cloudlinux/libgcrypt@1.4.5-12.el6_8.tuxcare.els1?arch=x86_64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libgcrypt-devel-0:1.4.5-12.el6_8.tuxcare.els1.x86_64",
                "product": {
                  "name": "libgcrypt-devel-0:1.4.5-12.el6_8.tuxcare.els1.x86_64",
                  "product_id": "libgcrypt-devel-0:1.4.5-12.el6_8.tuxcare.els1.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/cloudlinux/libgcrypt-devel@1.4.5-12.el6_8.tuxcare.els1?arch=x86_64"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "x86_64"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "libgcrypt-0:1.4.5-12.el6_8.tuxcare.els1.i686",
                "product": {
                  "name": "libgcrypt-0:1.4.5-12.el6_8.tuxcare.els1.i686",
                  "product_id": "libgcrypt-0:1.4.5-12.el6_8.tuxcare.els1.i686",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/cloudlinux/libgcrypt@1.4.5-12.el6_8.tuxcare.els1?arch=i686"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libgcrypt-devel-0:1.4.5-12.el6_8.tuxcare.els1.i686",
                "product": {
                  "name": "libgcrypt-devel-0:1.4.5-12.el6_8.tuxcare.els1.i686",
                  "product_id": "libgcrypt-devel-0:1.4.5-12.el6_8.tuxcare.els1.i686",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/cloudlinux/libgcrypt-devel@1.4.5-12.el6_8.tuxcare.els1?arch=i686"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "i686"
          }
        ],
        "category": "vendor",
        "name": "CloudLinux"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libgcrypt-0:1.4.5-12.el6_8.tuxcare.els1.x86_64 as a component of Oracle Linux 6",
          "product_id": "Oracle-Linux-6:libgcrypt-0:1.4.5-12.el6_8.tuxcare.els1.x86_64"
        },
        "product_reference": "libgcrypt-0:1.4.5-12.el6_8.tuxcare.els1.x86_64",
        "relates_to_product_reference": "Oracle-Linux-6"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libgcrypt-0:1.4.5-12.el6_8.tuxcare.els1.i686 as a component of Oracle Linux 6",
          "product_id": "Oracle-Linux-6:libgcrypt-0:1.4.5-12.el6_8.tuxcare.els1.i686"
        },
        "product_reference": "libgcrypt-0:1.4.5-12.el6_8.tuxcare.els1.i686",
        "relates_to_product_reference": "Oracle-Linux-6"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libgcrypt-devel-0:1.4.5-12.el6_8.tuxcare.els1.x86_64 as a component of Oracle Linux 6",
          "product_id": "Oracle-Linux-6:libgcrypt-devel-0:1.4.5-12.el6_8.tuxcare.els1.x86_64"
        },
        "product_reference": "libgcrypt-devel-0:1.4.5-12.el6_8.tuxcare.els1.x86_64",
        "relates_to_product_reference": "Oracle-Linux-6"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libgcrypt-devel-0:1.4.5-12.el6_8.tuxcare.els1.i686 as a component of Oracle Linux 6",
          "product_id": "Oracle-Linux-6:libgcrypt-devel-0:1.4.5-12.el6_8.tuxcare.els1.i686"
        },
        "product_reference": "libgcrypt-devel-0:1.4.5-12.el6_8.tuxcare.els1.i686",
        "relates_to_product_reference": "Oracle-Linux-6"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2018-6829",
      "cwe": {
        "id": "CWE-327",
        "name": "Use of a Broken or Risky Cryptographic Algorithm"
      },
      "notes": [
        {
          "category": "description",
          "text": "cipher/elgamal.c in Libgcrypt through 1.8.2, when used to encrypt messages directly, improperly encodes plaintexts, which allows attackers to obtain sensitive information by reading ciphertext data (i.e., it does not have semantic security in face of a ciphertext-only attack). The Decisional Diffie-Hellman (DDH) assumption does not hold for Libgcrypt's ElGamal implementation.",
          "title": "Vulnerability description"
        },
        {
          "category": "other",
          "text": "TuxCare has assessed that this vulnerability does not impact any currently supported TuxCare products. This evaluation may change as new information becomes available. For additional details regarding this vulnerability and affected products, refer to the provided references.",
          "title": "Statement"
        }
      ],
      "product_status": {
        "known_not_affected": [
          "Oracle-Linux-6:libgcrypt-0:1.4.5-12.el6_8.tuxcare.els1.i686",
          "Oracle-Linux-6:libgcrypt-0:1.4.5-12.el6_8.tuxcare.els1.x86_64",
          "Oracle-Linux-6:libgcrypt-devel-0:1.4.5-12.el6_8.tuxcare.els1.i686",
          "Oracle-Linux-6:libgcrypt-devel-0:1.4.5-12.el6_8.tuxcare.els1.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2018-6829"
        },
        {
          "category": "external",
          "summary": "https://github.com/weikengchen/attack-on-libgcrypt-elgamal",
          "url": "https://github.com/weikengchen/attack-on-libgcrypt-elgamal"
        },
        {
          "category": "external",
          "summary": "https://github.com/weikengchen/attack-on-libgcrypt-elgamal/wiki",
          "url": "https://github.com/weikengchen/attack-on-libgcrypt-elgamal/wiki"
        },
        {
          "category": "external",
          "summary": "https://lists.gnupg.org/pipermail/gcrypt-devel/2018-February/004394.html",
          "url": "https://lists.gnupg.org/pipermail/gcrypt-devel/2018-February/004394.html"
        },
        {
          "category": "external",
          "summary": "https://www.oracle.com/security-alerts/cpujan2020.html",
          "url": "https://www.oracle.com/security-alerts/cpujan2020.html"
        }
      ],
      "release_date": "2018-02-07T23:29:00Z",
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        },
        {
          "category": "impact",
          "date": "2026-10-16T06:40:35.291921Z",
          "details": "important",
          "product_ids": [
            "Oracle-Linux-6:libgcrypt-0:1.4.5-12.el6_8.tuxcare.els1.i686",
            "Oracle-Linux-6:libgcrypt-0:1.4.5-12.el6_8.tuxcare.els1.x86_64",
            "Oracle-Linux-6:libgcrypt-devel-0:1.4.5-12.el6_8.tuxcare.els1.i686",
            "Oracle-Linux-6:libgcrypt-devel-0:1.4.5-12.el6_8.tuxcare.els1.x86_64"
          ]
        }
      ]
    }
  ]
}