{
  "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/2026/cve-2026-1584-els_os-oraclelinux6els.json"
      }
    ],
    "tracking": {
      "current_release_date": "2026-11-02T20:54:47Z",
      "generator": {
        "date": "2026-11-02T20:54:47Z",
        "engine": {
          "name": "pyCSAF"
        }
      },
      "id": "CVE-2026-1584-ELS_OS-ORACLELINUX6ELS",
      "initial_release_date": "2026-04-09T18:16:00Z",
      "revision_history": [
        {
          "date": "2026-04-09T18:16:00Z",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2026-11-02T20:54:47Z",
          "number": "2",
          "summary": "Official Publication"
        }
      ],
      "status": "final",
      "version": "2"
    },
    "title": "Security update on CVE-2026-1584"
  },
  "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": "gnutls-devel-0:2.12.23-22.el6.tuxcare.els1.x86_64",
                "product": {
                  "name": "gnutls-devel-0:2.12.23-22.el6.tuxcare.els1.x86_64",
                  "product_id": "gnutls-devel-0:2.12.23-22.el6.tuxcare.els1.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/cloudlinux/gnutls-devel@2.12.23-22.el6.tuxcare.els1?arch=x86_64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "gnutls-0:2.12.23-22.el6.tuxcare.els1.x86_64",
                "product": {
                  "name": "gnutls-0:2.12.23-22.el6.tuxcare.els1.x86_64",
                  "product_id": "gnutls-0:2.12.23-22.el6.tuxcare.els1.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/cloudlinux/gnutls@2.12.23-22.el6.tuxcare.els1?arch=x86_64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "gnutls-guile-0:2.12.23-22.el6.tuxcare.els1.x86_64",
                "product": {
                  "name": "gnutls-guile-0:2.12.23-22.el6.tuxcare.els1.x86_64",
                  "product_id": "gnutls-guile-0:2.12.23-22.el6.tuxcare.els1.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/cloudlinux/gnutls-guile@2.12.23-22.el6.tuxcare.els1?arch=x86_64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "gnutls-utils-0:2.12.23-22.el6.tuxcare.els1.x86_64",
                "product": {
                  "name": "gnutls-utils-0:2.12.23-22.el6.tuxcare.els1.x86_64",
                  "product_id": "gnutls-utils-0:2.12.23-22.el6.tuxcare.els1.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/cloudlinux/gnutls-utils@2.12.23-22.el6.tuxcare.els1?arch=x86_64"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "x86_64"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "gnutls-devel-0:2.12.23-22.el6.tuxcare.els1.i686",
                "product": {
                  "name": "gnutls-devel-0:2.12.23-22.el6.tuxcare.els1.i686",
                  "product_id": "gnutls-devel-0:2.12.23-22.el6.tuxcare.els1.i686",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/cloudlinux/gnutls-devel@2.12.23-22.el6.tuxcare.els1?arch=i686"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "gnutls-0:2.12.23-22.el6.tuxcare.els1.i686",
                "product": {
                  "name": "gnutls-0:2.12.23-22.el6.tuxcare.els1.i686",
                  "product_id": "gnutls-0:2.12.23-22.el6.tuxcare.els1.i686",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/cloudlinux/gnutls@2.12.23-22.el6.tuxcare.els1?arch=i686"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "gnutls-guile-0:2.12.23-22.el6.tuxcare.els1.i686",
                "product": {
                  "name": "gnutls-guile-0:2.12.23-22.el6.tuxcare.els1.i686",
                  "product_id": "gnutls-guile-0:2.12.23-22.el6.tuxcare.els1.i686",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/cloudlinux/gnutls-guile@2.12.23-22.el6.tuxcare.els1?arch=i686"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "gnutls-utils-0:2.12.23-22.el6.tuxcare.els1.i686",
                "product": {
                  "name": "gnutls-utils-0:2.12.23-22.el6.tuxcare.els1.i686",
                  "product_id": "gnutls-utils-0:2.12.23-22.el6.tuxcare.els1.i686",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/cloudlinux/gnutls-utils@2.12.23-22.el6.tuxcare.els1?arch=i686"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "i686"
          }
        ],
        "category": "vendor",
        "name": "CloudLinux"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "gnutls-devel-0:2.12.23-22.el6.tuxcare.els1.x86_64 as a component of Oracle Linux 6",
          "product_id": "Oracle-Linux-6:gnutls-devel-0:2.12.23-22.el6.tuxcare.els1.x86_64"
        },
        "product_reference": "gnutls-devel-0:2.12.23-22.el6.tuxcare.els1.x86_64",
        "relates_to_product_reference": "Oracle-Linux-6"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "gnutls-devel-0:2.12.23-22.el6.tuxcare.els1.i686 as a component of Oracle Linux 6",
          "product_id": "Oracle-Linux-6:gnutls-devel-0:2.12.23-22.el6.tuxcare.els1.i686"
        },
        "product_reference": "gnutls-devel-0:2.12.23-22.el6.tuxcare.els1.i686",
        "relates_to_product_reference": "Oracle-Linux-6"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "gnutls-0:2.12.23-22.el6.tuxcare.els1.i686 as a component of Oracle Linux 6",
          "product_id": "Oracle-Linux-6:gnutls-0:2.12.23-22.el6.tuxcare.els1.i686"
        },
        "product_reference": "gnutls-0:2.12.23-22.el6.tuxcare.els1.i686",
        "relates_to_product_reference": "Oracle-Linux-6"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "gnutls-0:2.12.23-22.el6.tuxcare.els1.x86_64 as a component of Oracle Linux 6",
          "product_id": "Oracle-Linux-6:gnutls-0:2.12.23-22.el6.tuxcare.els1.x86_64"
        },
        "product_reference": "gnutls-0:2.12.23-22.el6.tuxcare.els1.x86_64",
        "relates_to_product_reference": "Oracle-Linux-6"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "gnutls-guile-0:2.12.23-22.el6.tuxcare.els1.i686 as a component of Oracle Linux 6",
          "product_id": "Oracle-Linux-6:gnutls-guile-0:2.12.23-22.el6.tuxcare.els1.i686"
        },
        "product_reference": "gnutls-guile-0:2.12.23-22.el6.tuxcare.els1.i686",
        "relates_to_product_reference": "Oracle-Linux-6"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "gnutls-guile-0:2.12.23-22.el6.tuxcare.els1.x86_64 as a component of Oracle Linux 6",
          "product_id": "Oracle-Linux-6:gnutls-guile-0:2.12.23-22.el6.tuxcare.els1.x86_64"
        },
        "product_reference": "gnutls-guile-0:2.12.23-22.el6.tuxcare.els1.x86_64",
        "relates_to_product_reference": "Oracle-Linux-6"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "gnutls-utils-0:2.12.23-22.el6.tuxcare.els1.i686 as a component of Oracle Linux 6",
          "product_id": "Oracle-Linux-6:gnutls-utils-0:2.12.23-22.el6.tuxcare.els1.i686"
        },
        "product_reference": "gnutls-utils-0:2.12.23-22.el6.tuxcare.els1.i686",
        "relates_to_product_reference": "Oracle-Linux-6"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "gnutls-utils-0:2.12.23-22.el6.tuxcare.els1.x86_64 as a component of Oracle Linux 6",
          "product_id": "Oracle-Linux-6:gnutls-utils-0:2.12.23-22.el6.tuxcare.els1.x86_64"
        },
        "product_reference": "gnutls-utils-0:2.12.23-22.el6.tuxcare.els1.x86_64",
        "relates_to_product_reference": "Oracle-Linux-6"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-1584",
      "cwe": {
        "id": "CWE-476",
        "name": "NULL Pointer Dereference"
      },
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in gnutls. A remote, unauthenticated attacker can exploit this vulnerability by sending a specially crafted ClientHello message with an invalid Pre-Shared Key (PSK) binder value during the TLS handshake. This can lead to a NULL pointer dereference, causing the server to crash and resulting in a remote Denial of Service (DoS) condition.",
          "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:gnutls-0:2.12.23-22.el6.tuxcare.els1.i686",
          "Oracle-Linux-6:gnutls-0:2.12.23-22.el6.tuxcare.els1.x86_64",
          "Oracle-Linux-6:gnutls-devel-0:2.12.23-22.el6.tuxcare.els1.i686",
          "Oracle-Linux-6:gnutls-devel-0:2.12.23-22.el6.tuxcare.els1.x86_64",
          "Oracle-Linux-6:gnutls-guile-0:2.12.23-22.el6.tuxcare.els1.i686",
          "Oracle-Linux-6:gnutls-guile-0:2.12.23-22.el6.tuxcare.els1.x86_64",
          "Oracle-Linux-6:gnutls-utils-0:2.12.23-22.el6.tuxcare.els1.i686",
          "Oracle-Linux-6:gnutls-utils-0:2.12.23-22.el6.tuxcare.els1.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2026-1584"
        },
        {
          "category": "external",
          "summary": "https://access.redhat.com/errata/RHSA-2026:7477",
          "url": "https://access.redhat.com/errata/RHSA-2026:7477"
        },
        {
          "category": "external",
          "summary": "https://access.redhat.com/security/cve/CVE-2026-1584",
          "url": "https://access.redhat.com/security/cve/CVE-2026-1584"
        },
        {
          "category": "external",
          "summary": "https://bugzilla.redhat.com/show_bug.cgi?id=2435258",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2435258"
        },
        {
          "category": "external",
          "summary": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-1584.json",
          "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-1584.json"
        }
      ],
      "release_date": "2026-04-09T18:16:00Z",
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        },
        {
          "category": "impact",
          "date": "2026-10-27T11:09:11.048039Z",
          "details": "The gnutls package for Oracle Linux 6 ELS is not affected by CVE-2026-1584. The vulnerable PSK binder handling code was introduced in GnuTLS 3.8.11 and fixed in 3.8.12, so it is not present in the shipped 2.12.23 version.",
          "product_ids": [
            "Oracle-Linux-6:gnutls-0:2.12.23-22.el6.tuxcare.els1.i686",
            "Oracle-Linux-6:gnutls-0:2.12.23-22.el6.tuxcare.els1.x86_64",
            "Oracle-Linux-6:gnutls-devel-0:2.12.23-22.el6.tuxcare.els1.i686",
            "Oracle-Linux-6:gnutls-devel-0:2.12.23-22.el6.tuxcare.els1.x86_64",
            "Oracle-Linux-6:gnutls-guile-0:2.12.23-22.el6.tuxcare.els1.i686",
            "Oracle-Linux-6:gnutls-guile-0:2.12.23-22.el6.tuxcare.els1.x86_64",
            "Oracle-Linux-6:gnutls-utils-0:2.12.23-22.el6.tuxcare.els1.i686",
            "Oracle-Linux-6:gnutls-utils-0:2.12.23-22.el6.tuxcare.els1.x86_64"
          ]
        }
      ]
    }
  ]
}