{
  "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-2026-34181 PKCS#12 Files with PBMAC1 Are Accepted with Short HMAC Keys - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-34181.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": "PKCS#12 Files with PBMAC1 Are Accepted with Short HMAC Keys",
    "tracking": {
      "current_release_date": "2026-06-13T01:06:35.000Z",
      "generator": {
        "date": "2026-06-13T07:03:13.173Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2026-34181",
      "initial_release_date": "2026-06-02T00:00:00.000Z",
      "revision_history": [
        {
          "date": "2026-06-13T01:06:35.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "3.0",
                "product": {
                  "name": "Azure Linux 3.0",
                  "product_id": "17084"
                }
              }
            ],
            "category": "product_name",
            "name": "Azure Linux"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "azl3 cloud-hypervisor 0:51.1.56-1.azl3",
                "product": {
                  "name": "azl3 cloud-hypervisor 0:51.1.56-1.azl3",
                  "product_id": "4"
                }
              }
            ],
            "category": "product_name",
            "name": "cloud-hypervisor"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "azl3 nodejs 0:24.14.1-3.azl3",
                "product": {
                  "name": "azl3 nodejs 0:24.14.1-3.azl3",
                  "product_id": "3"
                }
              }
            ],
            "category": "product_name",
            "name": "nodejs"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "azl3 rust 0:1.75.0-29.azl3",
                "product": {
                  "name": "azl3 rust 0:1.75.0-29.azl3",
                  "product_id": "2"
                }
              },
              {
                "category": "product_version_range",
                "name": "azl3 rust 0:1.90.0-8.azl3",
                "product": {
                  "name": "azl3 rust 0:1.90.0-8.azl3",
                  "product_id": "1"
                }
              }
            ],
            "category": "product_name",
            "name": "rust"
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 cloud-hypervisor 0:51.1.56-1.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 nodejs 0:24.14.1-3.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 rust 0:1.75.0-29.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": "azl3 rust 0:1.90.0-8.azl3 as a component of Azure Linux 3.0",
          "product_id": "17084-1"
        },
        "product_reference": "1",
        "relates_to_product_reference": "17084"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-34181",
      "cwe": {
        "id": "CWE-354",
        "name": "Improper Validation of Integrity Check Value"
      },
      "notes": [
        {
          "category": "general",
          "text": "openssl",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "known_affected": [
          "17084-4",
          "17084-3",
          "17084-2",
          "17084-1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2026-34181 PKCS#12 Files with PBMAC1 Are Accepted with Short HMAC Keys - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-34181.json"
        }
      ],
      "remediations": [
        {
          "category": "none_available",
          "date": "2026-06-13T01:06:35.000Z",
          "details": "There is no fix available for this vulnerability as of now",
          "product_ids": [
            "17084-4"
          ]
        },
        {
          "category": "none_available",
          "date": "2026-06-13T01:06:35.000Z",
          "details": "There is no fix available for this vulnerability as of now",
          "product_ids": [
            "17084-3"
          ]
        },
        {
          "category": "none_available",
          "date": "2026-06-13T01:06:35.000Z",
          "details": "There is no fix available for this vulnerability as of now",
          "product_ids": [
            "17084-2"
          ]
        },
        {
          "category": "none_available",
          "date": "2026-06-13T01:06:35.000Z",
          "details": "There is no fix available for this vulnerability as of now",
          "product_ids": [
            "17084-1"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.4,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "environmentalsScore": 0.0,
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "temporalScore": 7.4,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
          "products": [
            "17084-4",
            "17084-3",
            "17084-2",
            "17084-1"
          ]
        }
      ],
      "title": "PKCS#12 Files with PBMAC1 Are Accepted with Short HMAC Keys"
    }
  ]
}