CVE-2022-4981
Unknown Unknown - Not Provided

BaseFortify

Publication date: 2025-10-21

Last updated on: 2026-04-29

Assigner: VulDB

Description
A vulnerability was detected in DCMTK up to 3.6.7. The impacted element is the function DcmQueryRetrieveConfig::readPeerList of the file /dcmqrcnf.cc of the component dcmqrscp. The manipulation results in null pointer dereference. The attack needs to be approached locally. The exploit is now public and may be used. Upgrading to version 3.6.8 is sufficient to resolve this issue. The patch is identified as 957fb31e5. Upgrading the affected component is advised.

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Meta Information

Published
2025-10-21
Last Modified
2026-04-29
Generated
2026-07-06
AI Q&A
2025-10-21
EPSS Evaluated
2026-07-05
NVD
CVE-2022-4981
EUVD
EUVD-2025-35179

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
offis dcmtk to 3.6.8 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-404 The product does not release or incorrectly releases a resource before it is made available for re-use.
CWE-476 The product dereferences a pointer that it expects to be valid but is NULL.

Attack-Flow Graph

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Mitigation Strategies

Upgrade the affected DCMTK component to version 3.6.8 or later, as this version contains the patch that resolves the vulnerability.

Executive Summary

This vulnerability exists in DCMTK up to version 3.6.7, specifically in the function DcmQueryRetrieveConfig::readPeerList within the dcmqrscp component. It causes a null pointer dereference when manipulated, which can lead to a crash or denial of service. The attack requires local access to exploit.

Impact Analysis

The vulnerability can cause a denial of service by crashing the affected application due to a null pointer dereference. Since the attack requires local access, it may impact availability if exploited by an authorized user or attacker with local access.

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