CVE-2026-87020
High
Description
An integer overflow in a specified pitch and buffer-size computation leads to a heap out-of-bounds write when Orthanc DICOM Server decodes an attacker-supplied PNG.
SeverityHigh
CVSS8.1
Exploit probability—
ProductDICOM Server
PublishedSep 11, 2026
First seenSep 11, 2026
Weakness typeCWE-190Integer overflow
How to fix
Update
- Orthanc DICOM Server1.13.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Orthanc DICOM Server | v < 1.13.0 | 1.13.0 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.