CVE-2026-87020: CWE-190 in Orthanc DICOM Server
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.
AI Analysis
Technical Summary
An integer overflow in the pitch and buffer-size calculation in Orthanc DICOM Server leads to a heap out-of-bounds write when decoding a crafted PNG image supplied by an attacker. This vulnerability affects versions prior to 1.13.0 and can result in integrity and availability impacts due to memory corruption.
Potential Impact
The vulnerability allows an attacker with low privileges and no user interaction to cause a heap out-of-bounds write, potentially leading to denial of service or arbitrary code execution. Confidentiality is not impacted according to the CVSS vector.
Mitigation Recommendations
No official patch or remediation information is provided. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
CVE-2026-87020: CWE-190 in Orthanc DICOM Server
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.
CVSS v3.1
Score 8.1high
Affected software
Orthanc
DICOM Server
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
An integer overflow in the pitch and buffer-size calculation in Orthanc DICOM Server leads to a heap out-of-bounds write when decoding a crafted PNG image supplied by an attacker. This vulnerability affects versions prior to 1.13.0 and can result in integrity and availability impacts due to memory corruption.
Potential Impact
The vulnerability allows an attacker with low privileges and no user interaction to cause a heap out-of-bounds write, potentially leading to denial of service or arbitrary code execution. Confidentiality is not impacted according to the CVSS vector.
Mitigation Recommendations
No official patch or remediation information is provided. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- icscert
- Date Reserved
- 2026-09-08T17:11:53.753Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aa4110591cc7f384847e0c6
Added to database: 09/11/2026, 14:32:37 UTC
Last enriched: 09/11/2026, 14:46:54 UTC
Last updated: 09/11/2026, 16:47:55 UTC
Views: 6
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