{
  "document": {
    "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/debian10els/vex/2026/cve-2026-63072-els_os-debian10els.json"
      }
    ],
    "tracking": {
      "current_release_date": "2026-08-28T12:32:58Z",
      "generator": {
        "date": "2026-08-28T12:32:58Z",
        "engine": {
          "name": "pyCSAF"
        }
      },
      "id": "CVE-2026-63072-ELS_OS-DEBIAN10ELS",
      "initial_release_date": "2026-08-25T13:19:00Z",
      "revision_history": [
        {
          "date": "2026-08-25T13:19:00Z",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2026-08-28T12:32:58Z",
          "number": "2",
          "summary": "Official Publication"
        }
      ],
      "status": "final",
      "version": "2"
    },
    "title": "Security update on CVE-2026-63072"
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Debian 10",
                "product": {
                  "name": "Debian 10",
                  "product_id": "Debian-10",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:o:debian:debian_linux:10:*:*:*:*:*:*:*"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Debian"
          }
        ],
        "category": "vendor",
        "name": "Software in the Public Interest, Inc."
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "libssl-dev-0:1.1.1n-0+deb10u6+tuxcare.els4.amd64",
                "product": {
                  "name": "libssl-dev-0:1.1.1n-0+deb10u6+tuxcare.els4.amd64",
                  "product_id": "libssl-dev-0:1.1.1n-0+deb10u6+tuxcare.els4.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/libssl-dev@1.1.1n-0%2Bdeb10u6%2Btuxcare.els4?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libssl-dev-0:1.1.1n-0+deb10u6+tuxcare.els5.amd64",
                "product": {
                  "name": "libssl-dev-0:1.1.1n-0+deb10u6+tuxcare.els5.amd64",
                  "product_id": "libssl-dev-0:1.1.1n-0+deb10u6+tuxcare.els5.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/libssl-dev@1.1.1n-0%2Bdeb10u6%2Btuxcare.els5?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libssl-dev-0:1.1.1n-0+deb10u6+tuxcare.els1.amd64",
                "product": {
                  "name": "libssl-dev-0:1.1.1n-0+deb10u6+tuxcare.els1.amd64",
                  "product_id": "libssl-dev-0:1.1.1n-0+deb10u6+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/libssl-dev@1.1.1n-0%2Bdeb10u6%2Btuxcare.els1?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libssl-dev-0:1.1.1n-0+deb10u6+tuxcare.els2.amd64",
                "product": {
                  "name": "libssl-dev-0:1.1.1n-0+deb10u6+tuxcare.els2.amd64",
                  "product_id": "libssl-dev-0:1.1.1n-0+deb10u6+tuxcare.els2.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/libssl-dev@1.1.1n-0%2Bdeb10u6%2Btuxcare.els2?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libssl-dev-0:1.1.1n-0+deb10u6+tuxcare.els3.amd64",
                "product": {
                  "name": "libssl-dev-0:1.1.1n-0+deb10u6+tuxcare.els3.amd64",
                  "product_id": "libssl-dev-0:1.1.1n-0+deb10u6+tuxcare.els3.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/libssl-dev@1.1.1n-0%2Bdeb10u6%2Btuxcare.els3?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "openssl-0:1.1.1n-0+deb10u6+tuxcare.els5.amd64",
                "product": {
                  "name": "openssl-0:1.1.1n-0+deb10u6+tuxcare.els5.amd64",
                  "product_id": "openssl-0:1.1.1n-0+deb10u6+tuxcare.els5.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/openssl@1.1.1n-0%2Bdeb10u6%2Btuxcare.els5?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "openssl-0:1.1.1n-0+deb10u6+tuxcare.els2.amd64",
                "product": {
                  "name": "openssl-0:1.1.1n-0+deb10u6+tuxcare.els2.amd64",
                  "product_id": "openssl-0:1.1.1n-0+deb10u6+tuxcare.els2.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/openssl@1.1.1n-0%2Bdeb10u6%2Btuxcare.els2?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "openssl-0:1.1.1n-0+deb10u6+tuxcare.els1.amd64",
                "product": {
                  "name": "openssl-0:1.1.1n-0+deb10u6+tuxcare.els1.amd64",
                  "product_id": "openssl-0:1.1.1n-0+deb10u6+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/openssl@1.1.1n-0%2Bdeb10u6%2Btuxcare.els1?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "openssl-0:1.1.1n-0+deb10u6+tuxcare.els4.amd64",
                "product": {
                  "name": "openssl-0:1.1.1n-0+deb10u6+tuxcare.els4.amd64",
                  "product_id": "openssl-0:1.1.1n-0+deb10u6+tuxcare.els4.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/openssl@1.1.1n-0%2Bdeb10u6%2Btuxcare.els4?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "openssl-0:1.1.1n-0+deb10u6+tuxcare.els3.amd64",
                "product": {
                  "name": "openssl-0:1.1.1n-0+deb10u6+tuxcare.els3.amd64",
                  "product_id": "openssl-0:1.1.1n-0+deb10u6+tuxcare.els3.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/openssl@1.1.1n-0%2Bdeb10u6%2Btuxcare.els3?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libssl1.1-0:1.1.1n-0+deb10u6+tuxcare.els5.amd64",
                "product": {
                  "name": "libssl1.1-0:1.1.1n-0+deb10u6+tuxcare.els5.amd64",
                  "product_id": "libssl1.1-0:1.1.1n-0+deb10u6+tuxcare.els5.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/libssl1.1@1.1.1n-0%2Bdeb10u6%2Btuxcare.els5?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libssl1.1-0:1.1.1n-0+deb10u6+tuxcare.els3.amd64",
                "product": {
                  "name": "libssl1.1-0:1.1.1n-0+deb10u6+tuxcare.els3.amd64",
                  "product_id": "libssl1.1-0:1.1.1n-0+deb10u6+tuxcare.els3.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/libssl1.1@1.1.1n-0%2Bdeb10u6%2Btuxcare.els3?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libssl1.1-0:1.1.1n-0+deb10u6+tuxcare.els4.amd64",
                "product": {
                  "name": "libssl1.1-0:1.1.1n-0+deb10u6+tuxcare.els4.amd64",
                  "product_id": "libssl1.1-0:1.1.1n-0+deb10u6+tuxcare.els4.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/libssl1.1@1.1.1n-0%2Bdeb10u6%2Btuxcare.els4?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libssl1.1-0:1.1.1n-0+deb10u6+tuxcare.els2.amd64",
                "product": {
                  "name": "libssl1.1-0:1.1.1n-0+deb10u6+tuxcare.els2.amd64",
                  "product_id": "libssl1.1-0:1.1.1n-0+deb10u6+tuxcare.els2.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/libssl1.1@1.1.1n-0%2Bdeb10u6%2Btuxcare.els2?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libssl1.1-0:1.1.1n-0+deb10u6+tuxcare.els1.amd64",
                "product": {
                  "name": "libssl1.1-0:1.1.1n-0+deb10u6+tuxcare.els1.amd64",
                  "product_id": "libssl1.1-0:1.1.1n-0+deb10u6+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/libssl1.1@1.1.1n-0%2Bdeb10u6%2Btuxcare.els1?arch=amd64"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "amd64"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "libssl-doc-0:1.1.1n-0+deb10u6+tuxcare.els5.all",
                "product": {
                  "name": "libssl-doc-0:1.1.1n-0+deb10u6+tuxcare.els5.all",
                  "product_id": "libssl-doc-0:1.1.1n-0+deb10u6+tuxcare.els5.all",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/libssl-doc@1.1.1n-0%2Bdeb10u6%2Btuxcare.els5?arch=all"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libssl-doc-0:1.1.1n-0+deb10u6+tuxcare.els4.all",
                "product": {
                  "name": "libssl-doc-0:1.1.1n-0+deb10u6+tuxcare.els4.all",
                  "product_id": "libssl-doc-0:1.1.1n-0+deb10u6+tuxcare.els4.all",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/libssl-doc@1.1.1n-0%2Bdeb10u6%2Btuxcare.els4?arch=all"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libssl-doc-0:1.1.1n-0+deb10u6+tuxcare.els1.all",
                "product": {
                  "name": "libssl-doc-0:1.1.1n-0+deb10u6+tuxcare.els1.all",
                  "product_id": "libssl-doc-0:1.1.1n-0+deb10u6+tuxcare.els1.all",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/libssl-doc@1.1.1n-0%2Bdeb10u6%2Btuxcare.els1?arch=all"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libssl-doc-0:1.1.1n-0+deb10u6+tuxcare.els3.all",
                "product": {
                  "name": "libssl-doc-0:1.1.1n-0+deb10u6+tuxcare.els3.all",
                  "product_id": "libssl-doc-0:1.1.1n-0+deb10u6+tuxcare.els3.all",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/libssl-doc@1.1.1n-0%2Bdeb10u6%2Btuxcare.els3?arch=all"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libssl-doc-0:1.1.1n-0+deb10u6+tuxcare.els2.all",
                "product": {
                  "name": "libssl-doc-0:1.1.1n-0+deb10u6+tuxcare.els2.all",
                  "product_id": "libssl-doc-0:1.1.1n-0+deb10u6+tuxcare.els2.all",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/libssl-doc@1.1.1n-0%2Bdeb10u6%2Btuxcare.els2?arch=all"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "all"
          }
        ],
        "category": "vendor",
        "name": "TuxCare"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libssl-dev-0:1.1.1n-0+deb10u6+tuxcare.els4.amd64 as a component of Debian 10",
          "product_id": "Debian-10:libssl-dev-0:1.1.1n-0+deb10u6+tuxcare.els4.amd64"
        },
        "product_reference": "libssl-dev-0:1.1.1n-0+deb10u6+tuxcare.els4.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libssl-dev-0:1.1.1n-0+deb10u6+tuxcare.els5.amd64 as a component of Debian 10",
          "product_id": "Debian-10:libssl-dev-0:1.1.1n-0+deb10u6+tuxcare.els5.amd64"
        },
        "product_reference": "libssl-dev-0:1.1.1n-0+deb10u6+tuxcare.els5.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libssl-dev-0:1.1.1n-0+deb10u6+tuxcare.els1.amd64 as a component of Debian 10",
          "product_id": "Debian-10:libssl-dev-0:1.1.1n-0+deb10u6+tuxcare.els1.amd64"
        },
        "product_reference": "libssl-dev-0:1.1.1n-0+deb10u6+tuxcare.els1.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libssl-dev-0:1.1.1n-0+deb10u6+tuxcare.els2.amd64 as a component of Debian 10",
          "product_id": "Debian-10:libssl-dev-0:1.1.1n-0+deb10u6+tuxcare.els2.amd64"
        },
        "product_reference": "libssl-dev-0:1.1.1n-0+deb10u6+tuxcare.els2.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libssl-dev-0:1.1.1n-0+deb10u6+tuxcare.els3.amd64 as a component of Debian 10",
          "product_id": "Debian-10:libssl-dev-0:1.1.1n-0+deb10u6+tuxcare.els3.amd64"
        },
        "product_reference": "libssl-dev-0:1.1.1n-0+deb10u6+tuxcare.els3.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "openssl-0:1.1.1n-0+deb10u6+tuxcare.els5.amd64 as a component of Debian 10",
          "product_id": "Debian-10:openssl-0:1.1.1n-0+deb10u6+tuxcare.els5.amd64"
        },
        "product_reference": "openssl-0:1.1.1n-0+deb10u6+tuxcare.els5.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "openssl-0:1.1.1n-0+deb10u6+tuxcare.els2.amd64 as a component of Debian 10",
          "product_id": "Debian-10:openssl-0:1.1.1n-0+deb10u6+tuxcare.els2.amd64"
        },
        "product_reference": "openssl-0:1.1.1n-0+deb10u6+tuxcare.els2.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "openssl-0:1.1.1n-0+deb10u6+tuxcare.els1.amd64 as a component of Debian 10",
          "product_id": "Debian-10:openssl-0:1.1.1n-0+deb10u6+tuxcare.els1.amd64"
        },
        "product_reference": "openssl-0:1.1.1n-0+deb10u6+tuxcare.els1.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "openssl-0:1.1.1n-0+deb10u6+tuxcare.els4.amd64 as a component of Debian 10",
          "product_id": "Debian-10:openssl-0:1.1.1n-0+deb10u6+tuxcare.els4.amd64"
        },
        "product_reference": "openssl-0:1.1.1n-0+deb10u6+tuxcare.els4.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "openssl-0:1.1.1n-0+deb10u6+tuxcare.els3.amd64 as a component of Debian 10",
          "product_id": "Debian-10:openssl-0:1.1.1n-0+deb10u6+tuxcare.els3.amd64"
        },
        "product_reference": "openssl-0:1.1.1n-0+deb10u6+tuxcare.els3.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libssl1.1-0:1.1.1n-0+deb10u6+tuxcare.els5.amd64 as a component of Debian 10",
          "product_id": "Debian-10:libssl1.1-0:1.1.1n-0+deb10u6+tuxcare.els5.amd64"
        },
        "product_reference": "libssl1.1-0:1.1.1n-0+deb10u6+tuxcare.els5.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libssl1.1-0:1.1.1n-0+deb10u6+tuxcare.els3.amd64 as a component of Debian 10",
          "product_id": "Debian-10:libssl1.1-0:1.1.1n-0+deb10u6+tuxcare.els3.amd64"
        },
        "product_reference": "libssl1.1-0:1.1.1n-0+deb10u6+tuxcare.els3.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libssl1.1-0:1.1.1n-0+deb10u6+tuxcare.els4.amd64 as a component of Debian 10",
          "product_id": "Debian-10:libssl1.1-0:1.1.1n-0+deb10u6+tuxcare.els4.amd64"
        },
        "product_reference": "libssl1.1-0:1.1.1n-0+deb10u6+tuxcare.els4.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libssl1.1-0:1.1.1n-0+deb10u6+tuxcare.els2.amd64 as a component of Debian 10",
          "product_id": "Debian-10:libssl1.1-0:1.1.1n-0+deb10u6+tuxcare.els2.amd64"
        },
        "product_reference": "libssl1.1-0:1.1.1n-0+deb10u6+tuxcare.els2.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libssl1.1-0:1.1.1n-0+deb10u6+tuxcare.els1.amd64 as a component of Debian 10",
          "product_id": "Debian-10:libssl1.1-0:1.1.1n-0+deb10u6+tuxcare.els1.amd64"
        },
        "product_reference": "libssl1.1-0:1.1.1n-0+deb10u6+tuxcare.els1.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libssl-doc-0:1.1.1n-0+deb10u6+tuxcare.els5.all as a component of Debian 10",
          "product_id": "Debian-10:libssl-doc-0:1.1.1n-0+deb10u6+tuxcare.els5.all"
        },
        "product_reference": "libssl-doc-0:1.1.1n-0+deb10u6+tuxcare.els5.all",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libssl-doc-0:1.1.1n-0+deb10u6+tuxcare.els4.all as a component of Debian 10",
          "product_id": "Debian-10:libssl-doc-0:1.1.1n-0+deb10u6+tuxcare.els4.all"
        },
        "product_reference": "libssl-doc-0:1.1.1n-0+deb10u6+tuxcare.els4.all",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libssl-doc-0:1.1.1n-0+deb10u6+tuxcare.els1.all as a component of Debian 10",
          "product_id": "Debian-10:libssl-doc-0:1.1.1n-0+deb10u6+tuxcare.els1.all"
        },
        "product_reference": "libssl-doc-0:1.1.1n-0+deb10u6+tuxcare.els1.all",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libssl-doc-0:1.1.1n-0+deb10u6+tuxcare.els3.all as a component of Debian 10",
          "product_id": "Debian-10:libssl-doc-0:1.1.1n-0+deb10u6+tuxcare.els3.all"
        },
        "product_reference": "libssl-doc-0:1.1.1n-0+deb10u6+tuxcare.els3.all",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libssl-doc-0:1.1.1n-0+deb10u6+tuxcare.els2.all as a component of Debian 10",
          "product_id": "Debian-10:libssl-doc-0:1.1.1n-0+deb10u6+tuxcare.els2.all"
        },
        "product_reference": "libssl-doc-0:1.1.1n-0+deb10u6+tuxcare.els2.all",
        "relates_to_product_reference": "Debian-10"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-63072",
      "cwe": {
        "id": "CWE-787",
        "name": "Out-of-bounds Write"
      },
      "notes": [
        {
          "category": "description",
          "text": "Issue summary: OpenSSL CMS decryption sizes the key-unwrap output buffer based\non querying the unwrapped key size, but the AES-WRAP-PAD unwrap primitive\ncan write and cleanse more bytes than that query reports, causing an 8-byte\nout-of-bounds heap write.\n\nImpact summary: An attacker who supplies a crafted CMS message can trigger a\ndeterministic 8-byte out-of-bounds heap write when the victim decrypts it\nwith CMS_decrypt(), corrupting the heap and typically resulting in a Denial\nof Service.\n\nCWE: CWE-787: Out-of-bounds Write\n\nDescription: The key-wrap OID is potentially attacker-controlled on the wire.\nCMS unwrapping allows both id-aesNNN-wrap-pad and id-aesNNN-wrap ciphers.\nAn attacker can take a legitimate message and change a single OID byte to\nselect the padded variant while leaving the message otherwise valid. Since\nthe unwrap key is derived from the recipient's private operation (ECDH key\nagreement or ML-KEM decapsulation), the RFC 5649 integrity check cannot\npass, and the decryption fails with integrity failure.\n\nThe write is a fixed-size (8-byte), fixed-value (zero) heap overflow\nimmediately past the allocation, requires no special configuration, and is\nreachable from the public CMS_decrypt() function. The consequence is\na heap corruption leading to a Denial of Service. The fix in the CMS code\nsizes the unwrap output buffer for the worst case so a failed unwrap cannot\nwrite past the allocation.\n\nFIPS impact: no\n\nAs the CMS code lives outside the FIPS module boundary, no FIPS\nmodules are affected by this CVE.",
          "title": "Vulnerability description"
        }
      ],
      "product_status": {
        "under_investigation": [
          "Debian-10:libssl-dev-0:1.1.1n-0+deb10u6+tuxcare.els1.amd64",
          "Debian-10:libssl-dev-0:1.1.1n-0+deb10u6+tuxcare.els2.amd64",
          "Debian-10:libssl-dev-0:1.1.1n-0+deb10u6+tuxcare.els3.amd64",
          "Debian-10:libssl-dev-0:1.1.1n-0+deb10u6+tuxcare.els4.amd64",
          "Debian-10:libssl-dev-0:1.1.1n-0+deb10u6+tuxcare.els5.amd64",
          "Debian-10:libssl-doc-0:1.1.1n-0+deb10u6+tuxcare.els1.all",
          "Debian-10:libssl-doc-0:1.1.1n-0+deb10u6+tuxcare.els2.all",
          "Debian-10:libssl-doc-0:1.1.1n-0+deb10u6+tuxcare.els3.all",
          "Debian-10:libssl-doc-0:1.1.1n-0+deb10u6+tuxcare.els4.all",
          "Debian-10:libssl-doc-0:1.1.1n-0+deb10u6+tuxcare.els5.all",
          "Debian-10:libssl1.1-0:1.1.1n-0+deb10u6+tuxcare.els1.amd64",
          "Debian-10:libssl1.1-0:1.1.1n-0+deb10u6+tuxcare.els2.amd64",
          "Debian-10:libssl1.1-0:1.1.1n-0+deb10u6+tuxcare.els3.amd64",
          "Debian-10:libssl1.1-0:1.1.1n-0+deb10u6+tuxcare.els4.amd64",
          "Debian-10:libssl1.1-0:1.1.1n-0+deb10u6+tuxcare.els5.amd64",
          "Debian-10:openssl-0:1.1.1n-0+deb10u6+tuxcare.els1.amd64",
          "Debian-10:openssl-0:1.1.1n-0+deb10u6+tuxcare.els2.amd64",
          "Debian-10:openssl-0:1.1.1n-0+deb10u6+tuxcare.els3.amd64",
          "Debian-10:openssl-0:1.1.1n-0+deb10u6+tuxcare.els4.amd64",
          "Debian-10:openssl-0:1.1.1n-0+deb10u6+tuxcare.els5.amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2026-63072"
        },
        {
          "category": "external",
          "summary": "https://github.com/openssl/openssl/commit/2a3dac874c8057c1f0186849bf1ede1ae7b6b756",
          "url": "https://github.com/openssl/openssl/commit/2a3dac874c8057c1f0186849bf1ede1ae7b6b756"
        },
        {
          "category": "external",
          "summary": "https://github.com/openssl/openssl/commit/87784ad619af36b8807c2044b3940006fccc1e42",
          "url": "https://github.com/openssl/openssl/commit/87784ad619af36b8807c2044b3940006fccc1e42"
        },
        {
          "category": "external",
          "summary": "https://github.com/openssl/openssl/commit/9530a5fd1aacaeccdced4478ea2340a480613335",
          "url": "https://github.com/openssl/openssl/commit/9530a5fd1aacaeccdced4478ea2340a480613335"
        },
        {
          "category": "external",
          "summary": "https://github.com/openssl/openssl/commit/9ec2f6d2ae2bcad907cf7ee38584855bafe4979a",
          "url": "https://github.com/openssl/openssl/commit/9ec2f6d2ae2bcad907cf7ee38584855bafe4979a"
        },
        {
          "category": "external",
          "summary": "https://github.com/openssl/openssl/commit/a0c8ec557d9cac078f032d76cdf684fe743eb382",
          "url": "https://github.com/openssl/openssl/commit/a0c8ec557d9cac078f032d76cdf684fe743eb382"
        },
        {
          "category": "external",
          "summary": "https://openssl-library.org/news/secadv/20260825.txt",
          "url": "https://openssl-library.org/news/secadv/20260825.txt"
        }
      ],
      "release_date": "2026-08-25T13:19:00Z",
      "remediations": [
        {
          "category": "none_available",
          "date": "2026-08-28T12:27:52.950272Z",
          "details": "Affected",
          "product_ids": [
            "Debian-10:libssl-dev-0:1.1.1n-0+deb10u6+tuxcare.els1.amd64",
            "Debian-10:libssl-dev-0:1.1.1n-0+deb10u6+tuxcare.els2.amd64",
            "Debian-10:libssl-dev-0:1.1.1n-0+deb10u6+tuxcare.els3.amd64",
            "Debian-10:libssl-dev-0:1.1.1n-0+deb10u6+tuxcare.els4.amd64",
            "Debian-10:libssl-dev-0:1.1.1n-0+deb10u6+tuxcare.els5.amd64",
            "Debian-10:libssl-doc-0:1.1.1n-0+deb10u6+tuxcare.els1.all",
            "Debian-10:libssl-doc-0:1.1.1n-0+deb10u6+tuxcare.els2.all",
            "Debian-10:libssl-doc-0:1.1.1n-0+deb10u6+tuxcare.els3.all",
            "Debian-10:libssl-doc-0:1.1.1n-0+deb10u6+tuxcare.els4.all",
            "Debian-10:libssl-doc-0:1.1.1n-0+deb10u6+tuxcare.els5.all",
            "Debian-10:libssl1.1-0:1.1.1n-0+deb10u6+tuxcare.els1.amd64",
            "Debian-10:libssl1.1-0:1.1.1n-0+deb10u6+tuxcare.els2.amd64",
            "Debian-10:libssl1.1-0:1.1.1n-0+deb10u6+tuxcare.els3.amd64",
            "Debian-10:libssl1.1-0:1.1.1n-0+deb10u6+tuxcare.els4.amd64",
            "Debian-10:libssl1.1-0:1.1.1n-0+deb10u6+tuxcare.els5.amd64",
            "Debian-10:openssl-0:1.1.1n-0+deb10u6+tuxcare.els1.amd64",
            "Debian-10:openssl-0:1.1.1n-0+deb10u6+tuxcare.els2.amd64",
            "Debian-10:openssl-0:1.1.1n-0+deb10u6+tuxcare.els3.amd64",
            "Debian-10:openssl-0:1.1.1n-0+deb10u6+tuxcare.els4.amd64",
            "Debian-10:openssl-0:1.1.1n-0+deb10u6+tuxcare.els5.amd64"
          ]
        }
      ]
    }
  ]
}