msrc_cve-2025-12875
Vulnerability from csaf_microsoft
Published
2025-11-02 00:00
Modified
2025-11-25 01:40
Summary
mruby array.c ary_fill_exec out-of-bounds write

Notes

Additional Resources
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
Disclaimer
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.



{
  "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-2025-12875 mruby array.c ary_fill_exec out-of-bounds write - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2025/msrc_cve-2025-12875.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": "mruby array.c ary_fill_exec out-of-bounds write",
    "tracking": {
      "current_release_date": "2025-11-25T01:40:24.000Z",
      "generator": {
        "date": "2025-12-03T22:59:15.057Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2025-12875",
      "initial_release_date": "2025-11-02T00:00:00.000Z",
      "revision_history": [
        {
          "date": "2025-11-11T01:01:46.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        },
        {
          "date": "2025-11-25T01:40:24.000Z",
          "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 nghttp2 1.61.0-2",
                "product": {
                  "name": "azl3 nghttp2 1.61.0-2",
                  "product_id": "4"
                }
              },
              {
                "category": "product_version_range",
                "name": "cbl2 nghttp2 1.57.0-2",
                "product": {
                  "name": "cbl2 nghttp2 1.57.0-2",
                  "product_id": "5"
                }
              }
            ],
            "category": "product_name",
            "name": "nghttp2"
          },
          {
            "category": "product_name",
            "name": "cbl2 rust 1.72.0-11",
            "product": {
              "name": "cbl2 rust 1.72.0-11",
              "product_id": "3"
            }
          },
          {
            "category": "product_name",
            "name": "azl3 rust 1.75.0-21",
            "product": {
              "name": "azl3 rust 1.75.0-21",
              "product_id": "2"
            }
          },
          {
            "category": "product_name",
            "name": "azl3 rust 1.86.0-9",
            "product": {
              "name": "azl3 rust 1.86.0-9",
              "product_id": "1"
            }
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 nghttp2 1.61.0-2 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": "cbl2 rust 1.72.0-11 as a component of CBL Mariner 2.0",
          "product_id": "17086-3"
        },
        "product_reference": "3",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 rust 1.75.0-21 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 1.86.0-9 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": "cbl2 nghttp2 1.57.0-2 as a component of CBL Mariner 2.0",
          "product_id": "17086-5"
        },
        "product_reference": "5",
        "relates_to_product_reference": "17086"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-12875",
      "cwe": {
        "id": "CWE-787",
        "name": "Out-of-bounds Write"
      },
      "flags": [
        {
          "label": "vulnerable_code_not_in_execute_path",
          "product_ids": [
            "17086-3",
            "17084-2",
            "17084-1"
          ]
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "VulDB",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "known_affected": [
          "17084-4",
          "17086-5"
        ],
        "known_not_affected": [
          "17086-3",
          "17084-2",
          "17084-1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2025-12875 mruby array.c ary_fill_exec out-of-bounds write - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2025/msrc_cve-2025-12875.json"
        }
      ],
      "remediations": [
        {
          "category": "none_available",
          "date": "2025-11-11T01:01:46.000Z",
          "details": "There is no fix available for this vulnerability as of now",
          "product_ids": [
            "17084-4"
          ]
        },
        {
          "category": "none_available",
          "date": "2025-11-11T01:01:46.000Z",
          "details": "There is no fix available for this vulnerability as of now",
          "product_ids": [
            "17086-5"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "LOW",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "environmentalsScore": 0.0,
            "exploitCodeMaturity": "PROOF_OF_CONCEPT",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "UNCHANGED",
            "temporalScore": 4.8,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "17084-4",
            "17086-5"
          ]
        }
      ],
      "title": "mruby array.c ary_fill_exec out-of-bounds write"
    }
  ]
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
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