OpenEMR before 8.5.0 contains a denial of service vulnerability in four ZIP upload paths that read uncompressed entries into memory without size or ratio checks. Authenticated billing or Carecoordination users can upload highly compressed ZIP archives to exhaust PHP memory and worker pools, making OpenEMR unavailable.
Metrics
Affected Vendors & Products
Advisories
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Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Fri, 13 Nov 2026 09:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | OpenEMR before 8.5.0 contains a denial of service vulnerability in four ZIP upload paths that read uncompressed entries into memory without size or ratio checks. Authenticated billing or Carecoordination users can upload highly compressed ZIP archives to exhaust PHP memory and worker pools, making OpenEMR unavailable. | |
| Title | OpenEMR before 8.5.0 Denial of Service via ZIP Upload Decompression | |
| First Time appeared |
Open-emr
Open-emr openemr |
|
| Weaknesses | CWE-409 | |
| CPEs | cpe:2.3:a:open-emr:openemr:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Open-emr
Open-emr openemr |
|
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-11-13T15:55:59.971Z
Reserved: 2026-11-10T21:36:07.090Z
Link: CVE-2026-126423
No data.
Status : Awaiting Analysis
Published: 2026-11-13T10:17:48.363
Modified: 2026-11-13T16:18:27.520
Link: CVE-2026-126423
No data.
OpenCVE Enrichment
No data.
Weaknesses