CVE-2026-10528: Stack-based Buffer Overflow in Orthanc DICOM Server
A stack-based buffer overflow vulnerability exists in Orthanc DICOM Server versions 1.12.0 through 1.12.11 in the DcmItem::read function of the DCMTK Parser component. This flaw requires local attacker privileges to exploit and can cause memory corruption. A patch identified by commit bae99026ca97 is recommended to fix the issue. The vulnerability has a medium severity rating with a CVSS score of 4.8.
AI Analysis
Technical Summary
CVE-2026-10528 is a stack-based buffer overflow vulnerability in the Orthanc DICOM Server affecting versions 1.12.0 through 1.12.11. The flaw is located in the DcmItem::read function within the OrthancFramework/Sources/DicomParsing/FromDcmtkBridge.cpp file of the DCMTK Parser component. Exploitation requires local access and can lead to memory corruption. A patch identified by commit bae99026ca97 is available to remediate the issue. The vulnerability has a CVSS 4.8 (medium) score, indicating limited impact and attack complexity.
Potential Impact
Successful exploitation of this vulnerability can cause a stack-based buffer overflow, potentially leading to memory corruption or application instability. The attack requires local privileges, limiting remote exploitation. No known exploits are reported in the wild at this time.
Mitigation Recommendations
A patch identified by commit bae99026ca97 is recommended to fix this vulnerability. Deploying this patch will remediate the stack-based buffer overflow issue. Since the vulnerability requires local access, restricting local user privileges can also reduce risk. Patch status is not explicitly confirmed in the vendor advisory; verify patch availability and deployment guidance from the official Orthanc project resources.
CVE-2026-10528: Stack-based Buffer Overflow in Orthanc DICOM Server
Description
A stack-based buffer overflow vulnerability exists in Orthanc DICOM Server versions 1.12.0 through 1.12.11 in the DcmItem::read function of the DCMTK Parser component. This flaw requires local attacker privileges to exploit and can cause memory corruption. A patch identified by commit bae99026ca97 is recommended to fix the issue. The vulnerability has a medium severity rating with a CVSS score of 4.8.
CVSS v4.0
Score 4.8medium
Affected software
pkg:github/orthanc/orthancRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-10528 is a stack-based buffer overflow vulnerability in the Orthanc DICOM Server affecting versions 1.12.0 through 1.12.11. The flaw is located in the DcmItem::read function within the OrthancFramework/Sources/DicomParsing/FromDcmtkBridge.cpp file of the DCMTK Parser component. Exploitation requires local access and can lead to memory corruption. A patch identified by commit bae99026ca97 is available to remediate the issue. The vulnerability has a CVSS 4.8 (medium) score, indicating limited impact and attack complexity.
Potential Impact
Successful exploitation of this vulnerability can cause a stack-based buffer overflow, potentially leading to memory corruption or application instability. The attack requires local privileges, limiting remote exploitation. No known exploits are reported in the wild at this time.
Mitigation Recommendations
A patch identified by commit bae99026ca97 is recommended to fix this vulnerability. Deploying this patch will remediate the stack-based buffer overflow issue. Since the vulnerability requires local access, restricting local user privileges can also reduce risk. Patch status is not explicitly confirmed in the vendor advisory; verify patch availability and deployment guidance from the official Orthanc project resources.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-06-01T10:22:24.098Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a1e2198e29bf47b505cbae1
Added to database: 06/02/2026, 00:19:36 UTC
Last enriched: 06/09/2026, 09:48:43 UTC
Last updated: 07/31/2026, 19:22:57 UTC
Views: 143
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