Vulnerability-Lookup

CNVD-2026-18571

Vulnerability from cnvd - Published: 2026-04-24

Title

Oracle MySQL Server Partition组件拒绝服务漏洞

Description

Oracle MySQL Server是一款开源的关系型数据库管理系统，提供数据存储、查询和管理功能。 Oracle MySQL Server存在拒绝服务漏洞。该漏洞源于Server:Partition组件未能正确处理特定请求，攻击者可利用该漏洞通过多种协议发送恶意请求，导致服务挂起或崩溃。

Severity

中

Patch Name

Oracle MySQL Server Partition组件拒绝服务漏洞的补丁

Patch Description

Oracle MySQL Server是一款开源的关系型数据库管理系统，提供数据存储、查询和管理功能。 Oracle MySQL Server存在拒绝服务漏洞。该漏洞源于Server:Partition组件未能正确处理特定请求，攻击者可利用该漏洞通过多种协议发送恶意请求，导致服务挂起或崩溃。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://www.oracle.com/security-alerts/cpuapr2026.html

Reference

https://nvd.nist.gov/vuln/detail/CVE-2026-35234

Impacted products

Name
Oracle MySQL Server >=9.0.0，<=9.6.0

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2026-35234",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2026-35234"
    }
  },
  "description": "Oracle MySQL Server\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u63d0\u4f9b\u6570\u636e\u5b58\u50a8\u3001\u67e5\u8be2\u548c\u7ba1\u7406\u529f\u80fd\u3002\n\nOracle MySQL Server\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8eServer:Partition\u7ec4\u4ef6\u672a\u80fd\u6b63\u786e\u5904\u7406\u7279\u5b9a\u8bf7\u6c42\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u591a\u79cd\u534f\u8bae\u53d1\u9001\u6076\u610f\u8bf7\u6c42\uff0c\u5bfc\u81f4\u670d\u52a1\u6302\u8d77\u6216\u5d29\u6e83\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://www.oracle.com/security-alerts/cpuapr2026.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2026-18571",
  "openTime": "2026-04-24",
  "patchDescription": "Oracle MySQL Server\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u63d0\u4f9b\u6570\u636e\u5b58\u50a8\u3001\u67e5\u8be2\u548c\u7ba1\u7406\u529f\u80fd\u3002\r\n\r\nOracle MySQL Server\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8eServer:Partition\u7ec4\u4ef6\u672a\u80fd\u6b63\u786e\u5904\u7406\u7279\u5b9a\u8bf7\u6c42\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u591a\u79cd\u534f\u8bae\u53d1\u9001\u6076\u610f\u8bf7\u6c42\uff0c\u5bfc\u81f4\u670d\u52a1\u6302\u8d77\u6216\u5d29\u6e83\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Oracle MySQL Server Partition\u7ec4\u4ef6\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Oracle MySQL Server \u003e=9.0.0\uff0c\u003c=9.6.0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2026-35234",
  "serverity": "\u4e2d",
  "submitTime": "2026-04-22",
  "title": "Oracle MySQL Server Partition\u7ec4\u4ef6\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2026-35234 (GCVE-0-2026-35234)

Vulnerability from cvelistv5 – Published: 2026-04-21 20:35 – Updated: 2026-04-22 15:33

Summary

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Partition). Supported versions that are affected are 9.0.0-9.6.0. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

Severity

4.9 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-04-22 15:01 UTC

CWE

Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server.
CWE-284 - Improper Access Control

Assigner

oracle CNA under the mitre root

CNA scorecard C 69/100 over 3007 records in the last 180 days details

References

1 reference

URL	Tags
https://www.oracle.com/security-alerts/cpuapr2026.html	vendor-advisory

Impacted products

1 product

Vendor	Product	Version
Oracle Corporation	MySQL Server	Affected: 9.0.0 , ≤ 9.6.0 (custom) cpe:2.3:a:oracle:mysql_server::::::::

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-35234",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-04-22T15:01:58.069100Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-284",
                "description": "CWE-284 Improper Access Control",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-04-22T15:33:48.742Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "MySQL Server",
          "vendor": "Oracle Corporation",
          "versions": [
            {
              "lessThanOrEqual": "9.6.0",
              "status": "affected",
              "version": "9.0.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*",
                  "versionEndIncluding": "9.6.0",
                  "versionStartIncluding": "9.0.0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en-US",
          "value": "Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Partition).  Supported versions that are affected are 9.0.0-9.6.0. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server.  Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H)."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 4.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server.  Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server.",
              "lang": "en-US"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-21T20:35:45.767Z",
        "orgId": "43595867-4340-4103-b7a2-9a5208d29a85",
        "shortName": "oracle"
      },
      "references": [
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          "name": "Oracle Advisory",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.oracle.com/security-alerts/cpuapr2026.html"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "43595867-4340-4103-b7a2-9a5208d29a85",
    "assignerShortName": "oracle",
    "cveId": "CVE-2026-35234",
    "datePublished": "2026-04-21T20:35:45.767Z",
    "dateReserved": "2026-04-01T20:03:40.833Z",
    "dateUpdated": "2026-04-22T15:33:48.742Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

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.

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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