Vulnerability-Lookup

CNVD-2026-09789

Vulnerability from cnvd - Published: 2026-01-30

Title

Apache Hadoop HDFS越界写入漏洞

Description

Apache Hadoop是一套用于在由通用硬件构建的大型集群上运行应用程序的框架。它实现了Map/Reduce编程范型，计算任务会被分割成小块（多次）运行在不同的节点上。 Apache Hadoop存在越界写入漏洞。该漏洞是由于程序未对用户输入的URI进行严格的边界检查。攻击者可利用该漏洞通过远程发送特制的恶意代码，引发客户端崩溃、数据损坏或执行任意代码。

Severity

高

Patch Name

Apache Hadoop HDFS越界写入漏洞的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新: https://issues.apache.org/jira/browse/HDFS-17754

Reference

https://nvd.nist.gov/vuln/detail/CVE-2025-27821

Impacted products

Name
Apache Hadoop >=3.2.0，<3.4.2

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2025-27821",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2025-27821"
    }
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  "description": "Apache Hadoop\u662f\u4e00\u5957\u7528\u4e8e\u5728\u7531\u901a\u7528\u786c\u4ef6\u6784\u5efa\u7684\u5927\u578b\u96c6\u7fa4\u4e0a\u8fd0\u884c\u5e94\u7528\u7a0b\u5e8f\u7684\u6846\u67b6\u3002\u5b83\u5b9e\u73b0\u4e86Map/Reduce\u7f16\u7a0b\u8303\u578b\uff0c\u8ba1\u7b97\u4efb\u52a1\u4f1a\u88ab\u5206\u5272\u6210\u5c0f\u5757\uff08\u591a\u6b21\uff09\u8fd0\u884c\u5728\u4e0d\u540c\u7684\u8282\u70b9\u4e0a\u3002\n\nApache Hadoop\u5b58\u5728\u8d8a\u754c\u5199\u5165\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u662f\u7531\u4e8e\u7a0b\u5e8f\u672a\u5bf9\u7528\u6237\u8f93\u5165\u7684URI\u8fdb\u884c\u4e25\u683c\u7684\u8fb9\u754c\u68c0\u67e5\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u8fdc\u7a0b\u53d1\u9001\u7279\u5236\u7684\u6076\u610f\u4ee3\u7801\uff0c\u5f15\u53d1\u5ba2\u6237\u7aef\u5d29\u6e83\u3001\u6570\u636e\u635f\u574f\u6216\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002",
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  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2026-09789",
  "openTime": "2026-01-30",
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  "patchName": "Apache Hadoop HDFS\u8d8a\u754c\u5199\u5165\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
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  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2025-27821",
  "serverity": "\u9ad8",
  "submitTime": "2026-01-30",
  "title": "Apache Hadoop HDFS\u8d8a\u754c\u5199\u5165\u6f0f\u6d1e"
}

CVE-2025-27821 (GCVE-0-2025-27821)

Vulnerability from cvelistv5 – Published: 2026-01-26 09:44 – Updated: 2026-01-26 18:13

Title

HDFS native client: Out of bounds write in URI parser of native HDFS client

Summary

Out-of-bounds Write vulnerability in Apache Hadoop HDFS native client. This issue affects Apache Hadoop: from 3.2.0 before 3.4.2. Users are recommended to upgrade to version 3.4.2, which fixes the issue.

Severity ?

No CVSS data available.

CWE

CWE-787 - Out-of-bounds Write

Assigner

apache

References

URL

Tags

https://lists.apache.org/thread/kwjhyyx0wl2z9b0mw…

vendor-advisory

Impacted products

	Vendor	Product	Version
	Apache Software Foundation	HDFS native client	Affected: 3.2.0 , < 3.4.2 (semver)

Credits

BUI Ngoc Tan

Show details on NVD website

JSON

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              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
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                "role": "CISA Coordinator",
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Sightings

Author	Source	Type	Date

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.

Detection rules are retrieved from Rulezet.

Action not permitted

CNVD-2026-09789

CVE-2025-27821 (GCVE-0-2025-27821)

Tags

Sightings

Nomenclature