CVE-2022-4981

DCMTK dcmqrscp dcmqrcnf.cc readPeerList null pointer dereference

MEDIUM
5.5
CVSS Score
Published: October 21, 2025 at 03:02 PM UTC
Updated: June 17, 2026 at 05:22 AM UTC
1 product affected across 1 vendorDCMTK

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Vendor states this is fixed in 3.6.8 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (6)

Issue TrackingExploitVendor Advisory
https://support.dcmtk.org/redmine/issues/1026
SignaturePermissions RequiredVDB Entry
https://vuldb.com/?ctiid.329029
VDB EntryTechnical DescriptionThird Party Advisory
https://vuldb.com/?id.329029
Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.673134
ExploitThird Party Advisory
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
https://shimo.im/docs/e1Azd4dDQXUgOGqW/read

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-404CWE-476

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