Eclipse OMR : arraycmp SIMD implementation does not check if the number of bytes to compare is zero
Priority LOW 26CWE-125Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Active
- Attack complexity
- High
- Attack requirements
- Present
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-125 and the CVSS impact.
Summary
In Eclipse OMR versions up to 0.11, the arraycmp SIMD implementation for Z and P does not check if the number of bytes to compare is zero.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0052 44th percentileScored 2026-11-07
Fix Fixed Eclipse OMR (Eclipse Foundation): 0.11Red Hat: 2 advisories
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 OMR | 0.1 to before 0.11 | 0.11 | Patch available | CNA |
- Eclipse OMR VendorEclipse Foundation Affected 0.1 to before 0.11 Fixed in 0.11 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:eclipse:omr:*:*:*:*:*:*:*:* | 0.1.0 – 0.10.0 | Vulnerable | Eclipse Foundation |
- cpe:2.3:a:eclipse:omr:*:*:*:*:*:*:*:* Versions 0.1.0 – 0.10.0 Vulnerable ·Eclipse Foundation
Remediation
- Fix · CNA Eclipse OMR (Eclipse Foundation) Fixed in 0.11
Red Hat 2 advisories
- RHSA-2026:52948 Released 2026-08-10 · Red Hat rating Importantjava-21-ibm-semeru-certified-jdk security update
- Red Hat Enterprise Linux Supplementary (v. 10) java-21-ibm-semeru-certified-jdk-1:21.0.12.0.8-2.el10_2, java-21-ibm-semeru-certified-jdk-devel-1:21.0.12.0.8-2.el10_2, java-21-ibm-semeru-certified-jdk-headless-1:21.0.12.0.8-2.el10_2 +2
- Red Hat Enterprise Linux Supplementary EUS (v. 10.0) java-21-ibm-semeru-certified-jdk-1:21.0.12.0.8-1.el10_0, java-21-ibm-semeru-certified-jdk-headless-1:21.0.12.0.8-1.el10_0
- RHSA-2026:52949 Released 2026-08-10 · Red Hat rating Importantjava-1.8.0-ibm security update
- Red Hat Enterprise Linux Supplementary (v. 8) java-1.8.0-ibm-1:1.8.0.8.70-1.el8_10, java-1.8.0-ibm-demo-1:1.8.0.8.70-1.el8_10, java-1.8.0-ibm-devel-1:1.8.0.8.70-1.el8_10 +5
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux Supplementary (v. 10) | Fixed | RHSA-2026:52948 |
| Red Hat Enterprise Linux Supplementary (v. 8) | Fixed | RHSA-2026:52949 |
| Red Hat Enterprise Linux Supplementary EUS (v. 10.0) | Fixed | RHSA-2026:52948 |
Timeline
- 2026-10-02 Threatist record created from CVE-2026-16243
- 2026-10-03 Alias added: GHSA-c5v6-97gv-39fw
References
More Eclipse Foundation Omr vulnerabilities
- TI-2026-00915 Buffer overflow in Eclipse OMR CVSS 4.0MEDIUM 6.9
- TI-2025-13291 OMR on Z processors Exposing a possible buffer over-read problem CVSS 4.0MEDIUM 6.9
- TI-2019-08831 Time-of-check time-of-use race condition in Eclipse OMR CVSS 3.1HIGH 7.4
- TI-2019-08830 Access control flaw in Eclipse OMR CVSS 3.1HIGH 7.8
- TI-2025-01264 Eclipse OMR: Buffer overflow vulnerability CVSS 4.0HIGH 7.1
- TI-2025-01263 Eclipse OMR: Null pointer dereference vulnerability CVSS 4.0MEDIUM 5.1
Sources
- CVE-2026-16243 · CVE Program
- CVE-2026-16243 · NVD
- FIRST EPSS
- GHSA-c5v6-97gv-39fw · GitHub Advisory Database · CC BY 4.0
- CVE-2026-16243 · Red Hat security data · CC BY 4.0
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