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

Vulnerability from cvelistv5 – Published: 2026-01-26 09:44 – Updated: 2026-01-26 18:13
VLAI
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
Assigner
References
Impacted products
Vendor Product Version
Apache Software Foundation HDFS native client Affected: 3.2.0 , < 3.4.2 (semver)
Create a notification for this product.
Credits
BUI Ngoc Tan
Show details on NVD website
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.



Detection rules are retrieved from Rulezet.