Buffer overflow in Eclipse OpenJ9
Priority MEDIUM 40CWE-120Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
In Eclipse Openj9 before version 0.38.0, in the implementation of the shared cache (which is enabled by default in OpenJ9 builds) the size of a string is not properly checked against the size of the buffer.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00422 36th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
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 | Eclipse OpenJ9 | up to 0.37.0 | — | No fix listed | CNA |
- Eclipse OpenJ9 VendorEclipse Foundation Affected up to 0.37.0 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:eclipse:openj9:*:*:*:*:*:*:*:* | before 0.38.0 | Vulnerable | Eclipse Foundation |
- cpe:2.3:a:eclipse:openj9:*:*:*:*:*:*:*:* Versions before 0.38.0 Vulnerable ·Eclipse Foundation
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-2597
- 2026-10-03 Alias added: GHSA-4794-756c-cx7v
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-2023-2597 · CVE Program
- CVE-2023-2597 · NVD
- FIRST EPSS
- GHSA-4794-756c-cx7v · GitHub Advisory Database · CC BY 4.0
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