CVE-2026-51540
OpENer 2.3.0 (master branch up to commit 76b95cf) is vulnerable to a severe memory corruption issue caused by an integer underflow in the processing of connected explicit messages (SendUnitData).
- Affected products
- Openemr
- Opener Project Opener
- = 2.3.0
- CVSS 3.1
- 9.8 CRITICAL
- EPSS
- 0.4% (31th percentile)
- Weakness
- CWE-191
- NVD status
- Analyzed
- Published
- 2026-07-13
CVE-2026-51540 at NVD
No indexed exploits for CVE-2026-51540 yet
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No exploit for CVE-2026-51540 has been indexed yet. Our index is built from live traffic and upstream syncs, so this page can only say what it knows — not that no exploit exists.