Eclipse OMR : arraycmp SIMD implementation does not check if the number of bytes to compare is zero

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-16243
StatePUBLISHED
Assignereclipse
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-21 18:16:56 UTC
Updated2026-07-22 20:37:38 UTC
DescriptionIn 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.

Risk And Classification

Primary CVSS: v4.0 5.7 MEDIUM from [email protected]

CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS: 0.003010000 probability, percentile 0.222980000 (date 2026-07-22)

Problem Types: CWE-125 | CWE-125 CWE-125 Out-of-bounds read

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary5.7MEDIUMCVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/C...
4.0CNACVSS5.7MEDIUMCVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
High
Attack Requirements
Present
Privileges Required
Low
User Interaction
Active
Confidentiality
None
Integrity
None
Availability
High
Sub Conf.
None
Sub Integrity
None
Sub Availability
Low

CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Eclipse Foundation Eclipse OMR affected 0.1 0.11 custom Not specified
CNA Eclipse Foundation Eclipse OMR unaffected 0.1 custom Not specified
CNA Eclipse Foundation Eclipse OMR unaffected 0.11 custom Not specified

References

ReferenceSourceLinkTags
github.com/eclipse-omr/omr/pull/8348 [email protected] github.com
github.com/eclipse-omr/omr/pull/8349 [email protected] github.com
gitlab.eclipse.org/security/cve-assignment/-/work_items/195 [email protected] gitlab.eclipse.org
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