Vulnerability · Published Jul 21, 2026 · Assigned by eclipse
CVE-2026-16243Eclipse OMR : arraycmp SIMD implementation does not check if the number of bytes to compare is zero
Medium 5.7
In plain English
A medium-severity out-of-bounds read in Eclipse OMR from Eclipse Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities).
Severity (CVSS 4.0)5.7Medium
Exploit odds (30 days)0.5%top 55.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Eclipse Foundation | Eclipse OMR | 0.1 – before 0.11 |
Weakness: CWE-125 · Vector: 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