CVE-2025-3481: MedDream PACS Server DICOM File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability

Q: How do I fix CVE-2025-3481?

pacs server: upgrade to 7.3.5.860. Exact commands for each OS are on this page.

Q: Is CVE-2025-3481 being exploited?

CVE-2025-3481 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-3481 affect?

CVE-2025-3481 affects pacs server. Severity is high (CVSS 7.8). 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

This month

HIGH 7.8UPGRADE

CVE-2025-3481 is a high-severity flaw (CVSS 7.8) affecting pacs server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 copy

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.6% (top 50%)
CISA exploited list	No
Weakness	CWE-121
Published	2025-05-22
Last modified	2026-06-17

Publisher (CNA): Zero Day Initiative · Vendor: meddream

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-05-22 01:15 UTCPublished CVE record published
2026-06-17 09:20 UTCUpdated Record last modified

meddream pacs server UPGRADE

Affected: < 7.3.5.860

Fixed in: 7.3.5.860

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy pacs-server || rpm -q pacs-server || pacs-server --version

2. UPGRADE to 7.3.5.860 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade pacs-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade pacs-server

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-3481?

pacs server: upgrade to 7.3.5.860. Exact commands for each OS are on this page.

Is CVE-2025-3481 being exploited?

CVE-2025-3481 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-3481 affect?

CVE-2025-3481 affects pacs server. Severity is high (CVSS 7.8). 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

How urgent is CVE-2025-3481?

Priority 40/100. High severity

Related CVEs

CVE-2025-3484 CRITICAL 9.8 UPGRADE MedDream PACS Server DICOM File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability
CVE-2025-3483 HIGH 7.8 UPGRADE MedDream PACS Server DICOM File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability
CVE-2025-3482 HIGH 7.8 UPGRADE MedDream PACS Server DICOM File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability
CVE-2025-3480 MEDIUM 6.5 DOWNGRADE MedDream WEB DICOM Viewer Cleartext Transmission of Credentials Information Disclosure Vulnerability
CVE-2025-32731 MEDIUM 6.1 DOWNGRADE A reflected cross-site scripting (xss) vulnerability exists in the radiationDoseReport.php functionality of me

References

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