CVE-2026-10528

Orthanc DICOM Server DCMTK FromDcmtkBridge.cpp read stack-based overflow

State: Published
Severity: 4.8 Medium
Published: Jun 2, 2026
Updated: Jun 2, 2026
Reserved: Jun 1, 2026

Description

A security flaw has been discovered in Orthanc DICOM Server up to 1.12.11. This issue affects the function DcmItem::read of the file OrthancFramework/Sources/DicomParsing/FromDcmtkBridge.cpp of the component DCMTK Parser. Performing a manipulation results in stack-based buffer overflow. Attacking locally is a requirement. The exploit has been released to the public and may be used for attacks. The patch is named bae99026ca97. To fix this issue, it is recommended to deploy a patch.

Scores

CVSS	Score	Vector	Source
4.0	4.8 Medium	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P	VulDB
3.1	3.3 Low	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C	VulDB
3.0	3.3 Low	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C	VulDB
2.0	1.7 Low	AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C	VulDB

Weaknesses

CWE-121 Stack-based Buffer Overflow
CWE-119 Memory Corruption

Affected Products

Product	Versions
DICOM ServerOrthanc	1.12.0Affected 1.12.1Affected 1.12.2Affected 1.12.3Affected 1.12.4Affected 1.12.5Affected 1.12.6Affected 1.12.7Affected 1.12.8Affected 1.12.9Affected 1.12.10Affected 1.12.11Affected

References

VDB-367636 | Orthanc DICOM Server DCMTK FromDcmtkBridge.cpp read stack-based overflowvdb-entrytechnical-description
VDB-367636 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
CVE-2026-10528 | CVE Analysis and Reportthird-party-advisory
Submit #820766 | orthanc orthanc core ≤ 1.12.11 Denial of Servicethird-party-advisory
https://orthanc.uclouvain.be/bugs/show_bug.cgi?id=258issue-tracking
https://orthanc.uclouvain.be/bugs/show_bug.cgi?id=258#c4issue-tracking
https://orthanc.uclouvain.be/bugs/attachment.cgi?id=150exploit
https://orthanc.uclouvain.be/hg/orthanc/rev/bae99026ca97patch

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