CVE-2026-16243: Eclipse OMR : arraycmp SIMD implementation does not check if the number of bytes to compare is zero

High severity · published Jul 21, 2026

CVE-2026-16243

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

7.5

CVSS

0.5%

EPSS

On KEV

Description

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack vector

Network

Complexity

Low

Privileges

None

User interaction

None

Confidentiality

None

Integrity

None

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)0.5% · higher than 44% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Eclipse OMR · Eclipse Foundation

0.1 before 0.11 · source: vendor

Omr · Eclipse

0.1.0 through 0.10.0 · source: NVD

Affected product

Eclipse OMR

Eclipse Foundation

All Eclipse OMR CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2026-16243

CVE.org

https://www.cve.org/CVERecord?id=CVE-2026-16243

Issue Tracking

https://github.com/eclipse-omr/omr/pull/8348

Issue Tracking

https://github.com/eclipse-omr/omr/pull/8349

Broken Link

https://gitlab.eclipse.org/security/cve-assignment/-/work_items/195