Null Pointer Dereference in DCMTK Product by SourceForge
CVE-2022-4981

4.8MEDIUM

Key Information:

Vendor

SourceForge

Status
Dcmtk
Vendor
CVE Published:
21 October 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2022-4981?

A vulnerability exists in DCMTK versions up to 3.6.7, specifically in the DcmQueryRetrieveConfig::readPeerList function within the dcmqrcnf.cc file of the dcmqrscp component. This vulnerability can lead to a null pointer dereference, potentially causing disruptions in the application’s execution. The issue requires local access for exploitation. A patch has been released, and upgrading to version 3.6.8 will address this vulnerability effectively. Users are strongly advised to implement the recommended upgrade to enhance security and stability.

Affected Version(s)

DCMTK 3.6.0

DCMTK 3.6.1

DCMTK 3.6.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2022-4981 - Proof of Concept

References

https://vuldb.com/?id.329029
vdb-entrytechnical-description
https://vuldb.com/?ctiid.329029
signaturepermissions-required
https://vuldb.com/?submit.673134
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

zh_vul (VulDB User)
JSON
.
CVE-2022-4981 : Null Pointer Dereference in DCMTK Product by SourceForge