What’s Vulnerable › Vulnerabilities

CVE-2025-4447: Buffer Overflow in Eclipse OpenJ9

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-05-09 · updated 2026-06-17
• Weakness: CWE-121

Description

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 products

• The Eclipse Foundation Eclipse OpenJ9: from 0.8.0 through 0.51.0

References

• https://github.com/eclipse-openj9/openj9/pull/21762
• https://gitlab.eclipse.org/security/cve-assignement/-/issues/61

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