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Vulnerabilities

Vulnerability · CVE-2025-4447

In Eclipse OpenJ9 versions up to 0.51, when used with OpenJDK version 8 a stack based buffer overflow can be caused by modifying a file on disk that is read when the JVM starts.

Published May 9, 2025 · catalog updated May 10, 2025 · Eclipse Foundation OpenJ9

Severity
High7.0
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.2%
Remediation
Advisory link
Affected products
vendor Eclipse Foundation OpenJ9 0.8.0 ≤0.49.0

In Eclipse OpenJ9 versions up to 0.51, when used with OpenJDK version 8 a stack based buffer overflow can be caused by modifying a file on disk that is read when the JVM starts.

Technical analysis

Mechanism and impact are interpreted from ingested advisories — not independent exploit research.

  • CWE classification

    No CWE identifiers stored yet.

  • Prerequisites and impact

    Follow the original vendor advisory for access prerequisites and impact. This catalog does not invent exploit conditions.

How to fix CVE-2025-4447

What to do

Three reads of the same public record: the decision, the versions on file, and the signals. Confirm the vendor advisory before you patch. This page does not publish exploit steps.

Executive

This is a public record, not a confirmed incident. CVE-2025-4447 is a high issue in Eclipse Foundation OpenJ9 (CVSS 7.0). CISA does not currently list it as known exploited. Next step: Compare installed versions with the linked vendor advisory before changing production.

System administrator

Check whether Eclipse Foundation OpenJ9 is installed. Ranges on record: Eclipse Foundation OpenJ9 0.8.0 ≤0.49.0 (0.8.0 ≤0.49.0). Compare installed versions with the linked vendor advisory before changing production.

Security analyst

CVSS 7.0. EPSS 0.2%. CISA does not currently list it as known exploited. Weaknesses: not classified. Sources: epss, euvd. Exploit links, when listed below, point at the original publisher.

Related intelligence

  • Exploitation evidence

    Not listed as known exploited in CISA KEV. Not in CISA KEV or VulnCheck KEV.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. May 9, 2025 · EUVD

    Detected

    In Eclipse OpenJ9 versions up to 0.51, when used with OpenJDK version 8 a stack based buffer overflow can be caused by modifying a file on disk that is read when the JVM starts.

  2. May 10, 2025 · EUVD

    Updated

    In Eclipse OpenJ9 versions up to 0.51, when used with OpenJDK version 8 a stack based buffer overflow can be caused by modifying a file on disk that is read when the JVM starts.

Affected versions

Enter an installed version to get a verified affected / not-affected result against the ranges below.

  • vendor Eclipse Foundation OpenJ9 0.8.0 ≤0.49.00.8.0 ≤0.49.0

Sources

  • FIRST EPSSExploitation probabilityCVE-2025-4447

    30-day exploitation probability 0.2%

    first.org
  • EUVDVulnerability recordEUVD-2025-14192

    In Eclipse OpenJ9 versions up to 0.51, when used with OpenJDK version 8 a stack based buffer overflow can be caused by modifying a file on disk that is read when the JVM starts.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.