Stack-based buffer overflow in MedDream PACS Server
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.
Summary
MedDream PACS Server DICOM File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of MedDream PACS Server. Authentication is not required to exploit this vulnerability. The specific flaw exists within the parsing of DICOM files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-25825.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-3483
- 2026-10-03 Alias added: GHSA-47j8-fw62-838j
- 2026-11-03 EPSS moved to the 50th–90th percentile
References
Advisory 1
More MedDream Pacs Server vulnerabilities
- TI-2025-35927 Cross-site scripting in MedDream PACS Premium CVSS 3.1MEDIUM 6.1
- TI-2025-03062 Stack-based buffer overflow in MedDream PACS Server CVSS 3.0CRITICAL 9.8
- TI-2025-33783 An arbitrary file read vulnerability exists in the encapsulatedDoc functionality of… CVSS 3.1CRITICAL 9.6
- TI-2025-20518 Improper access control in MedDream PACS Premium CVSS 3.1CRITICAL 9.8
- TI-2025-19417 Incorrect permission assignment in MedDream PACS Premium CVSS 3.1CRITICAL 9.8
- TI-2025-18208 Server-side request forgery in MedDream PACS Premium CVSS 3.1HIGH 7.5
Sources
- CVE-2025-3483 · CVE Program
- CVE-2025-3483 · NVD
- FIRST EPSS
- GHSA-47j8-fw62-838j · GitHub Advisory Database · CC BY 4.0
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