CVE-2025-3483 MedDream PACS Server DICOM File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability

Critical 9.8 Published 22 May 2025 Updated 22 May 2025

Remote attackers can execute arbitrary code on MedDream PACS Server via a stack-based buffer overflow in DICOM file parsing without authentication.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-3483?

CVE-2025-3483 is a critical memory corruption vulnerability in MedDream PACS Server, published on 22 May 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-121

Which versions are affected by CVE-2025-3483?

It affects 1 product.

Products include Meddream Pacs Server.

How do I fix CVE-2025-3483?

No fix has been published for CVE-2025-3483 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2025-3483 being exploited?

There is no known exploitation of CVE-2025-3483 in the wild and no public exploit code.

Sources

Also known as GHSA-47j8-fw62-838j.