MSRC_CVE-2025-48367

Vulnerability from csaf_microsoft - Published: 2025-07-02 00:00 - Updated: 2025-07-29 00:00
Summary
Redis DoS Vulnerability due to bad connection error handling

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.
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{
  "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-2025-48367 Redis DoS Vulnerability due to bad connection error handling - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2025/msrc_cve-2025-48367.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": "Redis DoS Vulnerability due to bad connection error handling",
    "tracking": {
      "current_release_date": "2025-07-29T00:00:00.000Z",
      "generator": {
        "date": "2025-10-20T03:36:12.136Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2025-48367",
      "initial_release_date": "2025-07-02T00:00:00.000Z",
      "revision_history": [
        {
          "date": "2025-07-16T00:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        },
        {
          "date": "2025-07-29T00:00:00.000Z",
          "legacy_version": "2",
          "number": "2",
          "summary": "Added valkey to Azure Linux 3.0\nAdded redis to CBL-Mariner 2.0"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "2.0",
                "product": {
                  "name": "CBL Mariner 2.0",
                  "product_id": "17086"
                }
              },
              {
                "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": "\u003ccm2 redis 6.2.18-3",
                "product": {
                  "name": "\u003ccm2 redis 6.2.18-3",
                  "product_id": "4"
                }
              },
              {
                "category": "product_version",
                "name": "cm2 redis 6.2.18-3",
                "product": {
                  "name": "cm2 redis 6.2.18-3",
                  "product_id": "19566"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003ccbl2 redis 6.2.18-1",
                "product": {
                  "name": "\u003ccbl2 redis 6.2.18-1",
                  "product_id": "1"
                }
              },
              {
                "category": "product_version",
                "name": "cbl2 redis 6.2.18-1",
                "product": {
                  "name": "cbl2 redis 6.2.18-1",
                  "product_id": "20238"
                }
              }
            ],
            "category": "product_name",
            "name": "redis"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003cazl3 valkey 8.0.4-1",
                "product": {
                  "name": "\u003cazl3 valkey 8.0.4-1",
                  "product_id": "2"
                }
              },
              {
                "category": "product_version",
                "name": "azl3 valkey 8.0.4-1",
                "product": {
                  "name": "azl3 valkey 8.0.4-1",
                  "product_id": "19593"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003cazl3 valkey 8.0.3-3",
                "product": {
                  "name": "\u003cazl3 valkey 8.0.3-3",
                  "product_id": "3"
                }
              },
              {
                "category": "product_version",
                "name": "azl3 valkey 8.0.3-3",
                "product": {
                  "name": "azl3 valkey 8.0.3-3",
                  "product_id": "19592"
                }
              }
            ],
            "category": "product_name",
            "name": "valkey"
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003ccm2 redis 6.2.18-3 as a component of CBL Mariner 2.0",
          "product_id": "17086-4"
        },
        "product_reference": "4",
        "relates_to_product_reference": "17086"
      },
      {
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        "relates_to_product_reference": "17086"
      },
      {
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          "name": "\u003cazl3 valkey 8.0.4-1 as a component of Azure Linux 3.0",
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        },
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        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
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          "name": "azl3 valkey 8.0.4-1 as a component of Azure Linux 3.0",
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        },
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        "relates_to_product_reference": "17084"
      },
      {
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        "relates_to_product_reference": "17084"
      },
      {
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        },
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        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
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        },
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        "relates_to_product_reference": "17086"
      },
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          "product_id": "20238-17086"
        },
        "product_reference": "20238",
        "relates_to_product_reference": "17086"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-48367",
      "cwe": {
        "id": "CWE-770",
        "name": "Allocation of Resources Without Limits or Throttling"
      },
      "notes": [
        {
          "category": "general",
          "text": "GitHub_M",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "fixed": [
          "19566-17086",
          "19593-17084",
          "19592-17084",
          "20238-17086"
        ],
        "known_affected": [
          "17086-4",
          "17084-2",
          "17084-3",
          "17086-1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2025-48367 Redis DoS Vulnerability due to bad connection error handling - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2025/msrc_cve-2025-48367.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2025-07-16T00:00:00.000Z",
          "details": "6.2.18-3:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17086-4",
            "17086-1"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        },
        {
          "category": "vendor_fix",
          "date": "2025-07-16T00:00:00.000Z",
          "details": "8.0.4-1:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17084-2",
            "17084-3"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "environmentalsScore": 0.0,
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "temporalScore": 7.5,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "17086-4",
            "17084-2",
            "17084-3",
            "17086-1"
          ]
        }
      ],
      "title": "Redis DoS Vulnerability due to bad connection error handling"
    }
  ]
}


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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.