{
  "document": {
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Public",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en-US",
    "notes": [
      {
        "category": "general",
        "text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle",
        "title": "Additional Resources"
      },
      {
        "category": "legal_disclaimer",
        "text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
        "title": "Disclaimer"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "secure@microsoft.com",
      "name": "Microsoft Security Response Center",
      "namespace": "https://msrc.microsoft.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "CVE-2026-41681 rust-openssl: MdCtxRef::digest_final() writes past caller buffer with no length check - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-41681.json"
      },
      {
        "category": "external",
        "summary": "Microsoft Support Lifecycle",
        "url": "https://support.microsoft.com/lifecycle"
      },
      {
        "category": "external",
        "summary": "Common Vulnerability Scoring System",
        "url": "https://www.first.org/cvss"
      }
    ],
    "title": "rust-openssl: MdCtxRef::digest_final() writes past caller buffer with no length check",
    "tracking": {
      "current_release_date": "2026-04-27T14:45:17.000Z",
      "generator": {
        "date": "2026-04-28T07:17:25.106Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2026-41681",
      "initial_release_date": "2026-04-02T00:00:00.000Z",
      "revision_history": [
        {
          "date": "2026-04-26T01:07:23.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        },
        {
          "date": "2026-04-27T14:45:17.000Z",
          "legacy_version": "2",
          "number": "2",
          "summary": "Information published."
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "3.0",
                "product": {
                  "name": "Azure Linux 3.0",
                  "product_id": "17084"
                }
              },
              {
                "category": "product_version",
                "name": "2.0",
                "product": {
                  "name": "CBL Mariner 2.0",
                  "product_id": "17086"
                }
              }
            ],
            "category": "product_name",
            "name": "Azure Linux"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "azl3 python-cryptography 0:42.0.5-4.azl3",
                "product": {
                  "name": "azl3 python-cryptography 0:42.0.5-4.azl3",
                  "product_id": "3"
                }
              }
            ],
            "category": "product_name",
            "name": "python-cryptography"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "azl3 rpm-ostree 0:2024.4-8.azl3",
                "product": {
                  "name": "azl3 rpm-ostree 0:2024.4-8.azl3",
                  "product_id": "4"
                }
              }
            ],
            "category": "product_name",
            "name": "rpm-ostree"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "azl3 trident 0:0.22.0-1.azl3",
                "product": {
                  "name": "azl3 trident 0:0.22.0-1.azl3",
                  "product_id": "1"
                }
              }
            ],
            "category": "product_name",
            "name": "trident"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "azl3 clamav 0:1.5.2-1.azl3",
                "product": {
                  "name": "azl3 clamav 0:1.5.2-1.azl3",
                  "product_id": "2"
                }
              }
            ],
            "category": "product_name",
            "name": "clamav"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "cbl2 rust 0:1.72.0-15.cbl2",
                "product": {
                  "name": "cbl2 rust 0:1.72.0-15.cbl2",
                  "product_id": "7"
                }
              },
              {
                "category": "product_version_range",
                "name": "azl3 rust 0:1.75.0-27.azl3",
                "product": {
                  "name": "azl3 rust 0:1.75.0-27.azl3",
                  "product_id": "6"
                }
              },
              {
                "category": "product_version_range",
                "name": "azl3 rust 0:1.90.0-6.azl3",
                "product": {
                  "name": "azl3 rust 0:1.90.0-6.azl3",
                  "product_id": "5"
                }
              }
            ],
            "category": "product_name",
            "name": "rust"
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 python-cryptography 0:42.0.5-4.azl3 as a component of Azure Linux 3.0",
          "product_id": "17084-3"
        },
        "product_reference": "3",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 rpm-ostree 0:2024.4-8.azl3 as a component of Azure Linux 3.0",
          "product_id": "17084-4"
        },
        "product_reference": "4",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 trident 0:0.22.0-1.azl3 as a component of Azure Linux 3.0",
          "product_id": "17084-1"
        },
        "product_reference": "1",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 clamav 0:1.5.2-1.azl3 as a component of Azure Linux 3.0",
          "product_id": "17084-2"
        },
        "product_reference": "2",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cbl2 rust 0:1.72.0-15.cbl2 as a component of CBL Mariner 2.0",
          "product_id": "17086-7"
        },
        "product_reference": "7",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 rust 0:1.75.0-27.azl3 as a component of Azure Linux 3.0",
          "product_id": "17084-6"
        },
        "product_reference": "6",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 rust 0:1.90.0-6.azl3 as a component of Azure Linux 3.0",
          "product_id": "17084-5"
        },
        "product_reference": "5",
        "relates_to_product_reference": "17084"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-41681",
      "cwe": {
        "id": "CWE-121",
        "name": "Stack-based Buffer Overflow"
      },
      "notes": [
        {
          "category": "general",
          "text": "GitHub_M",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "known_affected": [
          "17084-3",
          "17084-4",
          "17084-1",
          "17084-2",
          "17086-7",
          "17084-6",
          "17084-5"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2026-41681 rust-openssl: MdCtxRef::digest_final() writes past caller buffer with no length check - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-41681.json"
        }
      ],
      "remediations": [
        {
          "category": "none_available",
          "date": "2026-04-26T01:07:23.000Z",
          "details": "There is no fix available for this vulnerability as of now",
          "product_ids": [
            "17084-3"
          ]
        },
        {
          "category": "none_available",
          "date": "2026-04-26T01:07:23.000Z",
          "details": "There is no fix available for this vulnerability as of now",
          "product_ids": [
            "17084-4"
          ]
        },
        {
          "category": "none_available",
          "date": "2026-04-26T01:07:23.000Z",
          "details": "There is no fix available for this vulnerability as of now",
          "product_ids": [
            "17084-1"
          ]
        },
        {
          "category": "none_available",
          "date": "2026-04-26T01:07:23.000Z",
          "details": "There is no fix available for this vulnerability as of now",
          "product_ids": [
            "17084-2"
          ]
        },
        {
          "category": "none_available",
          "date": "2026-04-26T01:07:23.000Z",
          "details": "There is no fix available for this vulnerability as of now",
          "product_ids": [
            "17086-7"
          ]
        },
        {
          "category": "none_available",
          "date": "2026-04-26T01:07:23.000Z",
          "details": "There is no fix available for this vulnerability as of now",
          "product_ids": [
            "17084-6"
          ]
        },
        {
          "category": "none_available",
          "date": "2026-04-26T01:07:23.000Z",
          "details": "There is no fix available for this vulnerability as of now",
          "product_ids": [
            "17084-5"
          ]
        }
      ],
      "title": "rust-openssl: MdCtxRef::digest_final() writes past caller buffer with no length check"
    }
  ]
}