CVE-2026-16243
Eclipse OMR : arraycmp SIMD implementation does not check if the number of bytes to compare is zero
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.
INFO
Published Date :
July 21, 2026, 6:16 p.m.
Last Modified :
July 21, 2026, 6:16 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | MEDIUM | e51fbebd-6053-4e49-959f-1b94eeb69a2c | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Update Eclipse OMR to version 0.12 or later.
- Apply vendor-supplied patches for the vulnerability.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-16243.
| URL | Resource |
|---|---|
| https://github.com/eclipse-omr/omr/pull/8348 | |
| https://github.com/eclipse-omr/omr/pull/8349 | |
| https://gitlab.eclipse.org/security/cve-assignment/-/work_items/195 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-16243 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-16243
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-16243 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-16243 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Jul. 21, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Eclipse Foundation', 'product': 'Eclipse OMR', 'versions': [{'status': 'affected', 'version': '0.1', 'lessThan': '0.11', 'versionType': 'custom'}, {'status': 'unaffected', 'version': '0', 'lessThan': '0.1', 'versionType': 'custom'}, {'status': 'unaffected', 'version': '0.11', 'versionType': 'custom'}], 'defaultStatus': 'unaffected'}] Added 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. Added CVSS V4.0 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 Added CWE CWE-125 Added Reference https://github.com/eclipse-omr/omr/pull/8348 Added Reference https://github.com/eclipse-omr/omr/pull/8349 Added Reference https://gitlab.eclipse.org/security/cve-assignment/-/work_items/195