Buffer Overflow in Eclipse OpenJ9
Priority LOW 38CWE-121Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- —
- Confidentiality · integrity · availability
- Low · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and Red Hat.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00224 13th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Eclipse Foundation | OpenJ9 | 0.8.0 – 0.49.0 | — | No fix listed | CNA |
- OpenJ9 VendorEclipse Foundation Affected 0.8.0 – 0.49.0 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:eclipse:openj9:*:*:*:*:*:*:*:* | 0.8.0 – 0.51.0 | Vulnerable | Eclipse Foundation |
- cpe:2.3:a:eclipse:openj9:*:*:*:*:*:*:*:* Versions 0.8.0 – 0.51.0 Vulnerable ·Eclipse Foundation
Remediation
Red Hat 1 advisory
- RHSA-2025:8431 Released 2025-06-03 · Red Hat rating Importantjava-1.8.0-ibm security update
- Red Hat Enterprise Linux Supplementary (v. 8) java-1.8.0-ibm-1:1.8.0.8.45-1.el8_10, java-1.8.0-ibm-demo-1:1.8.0.8.45-1.el8_10, java-1.8.0-ibm-devel-1:1.8.0.8.45-1.el8_10 +5
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux Supplementary (v. 8) | Fixed | RHSA-2025:8431 |
Timeline
- 2026-10-02 Threatist record created from CVE-2025-4447
- 2026-10-03 Alias added: GHSA-wmvg-c6fc-33c8
References
More Eclipse Foundation Openj9 vulnerabilities
- TI-2026-06062 Out-of-bounds read in Eclipse OpenJ9 CVSS 4.0HIGH 8.7
- TI-2021-09396 Missing initialization of resource in Eclipse OpenJ9 CVSS 3.1MEDIUM 6.5
- TI-2018-09008 Improper input validation in Eclipse OpenJ9 CVSS 3.0CRITICAL 9.8
- TI-2018-09006 Improper input validation in Eclipse OpenJ9 CVSS 3.0CRITICAL 9.8
- TI-2021-17899 In Eclipse Openj9 before version 0.29.0, the JVM does not throw IllegalAccessError for… CVSS 3.1CRITICAL 9.8
- TI-2019-08829 Out-of-bounds write in Eclipse OpenJ9 CVSS 3.0CRITICAL 9.8
Sources
- CVE-2025-4447 · CVE Program
- CVE-2025-4447 · NVD
- FIRST EPSS
- GHSA-wmvg-c6fc-33c8 · GitHub Advisory Database · CC BY 4.0
- CVE-2025-4447 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences