Orthanc DICOM Server
Out-of-Bounds Read in DicomStreamReader Meta-Header Parser
The DICOM meta-header parser does not validate that tag value lengths remain within the allocated block when processing metadata entries.
This advisory contains limited information during coordinated disclosure. Please check back later for full details.
Description
A malformed DICOM file with a truncated meta-header can trigger a small out-of-bounds read during metadata parsing.
Impact
- Out-of-bounds heap read during DICOM file processing.
Mitigation
Update Orthanc to version 1.12.11 or later.
References
How We Can Help
Who We Are
The security researchers behind this advisory.
Dr. rer. nat. Simon Weber
Senior Pentester & MedSec Researcher
I evaluate your SaMD with the same industry-defining security insight I contributed to the BAK MV for the revision of the B3S standard.
- PhD on Hospital Cybersecurity
- Critical vulnerabilities found in hospital systems
- Alumni of THB MedSec Research Group
- gematik Security Hero
Dipl.-Inf. Volker Schönefeld
Senior Application Security Expert
As a former CTO and developer turned pentester, I work alongside your team to uncover vulnerabilities and find solutions that fit your architecture.
- 20+ years as CTO, 50M+ app downloads
- Architected and secured large-scale IoT fleets
- Certified Web Exploitation Specialist
- gematik Security Hero
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Machine Spirits specializes in security assessments for medical devices and healthcare IT. From MDR penetration testing to C5 cloud compliance, we help MedTech companies meet regulatory requirements.