OFFIS DCMTK 3.7.0 DICOMDIR file dcdicdir.cc moveRecordToTree recursion

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k1.41

Summaryinfo

A vulnerability classified as problematic has been found in OFFIS DCMTK 3.7.0. This affects the function DcmDicomDir::moveRecordToTree of the file dcmdata/libsrc/dcdicdir.cc of the component DICOMDIR file Handler. This manipulation causes recursion. This vulnerability is handled as CVE-2026-44035. The attack can be initiated remotely. There is not any exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability classified as problematic was found in OFFIS DCMTK 3.7.0. Affected by this vulnerability is the function DcmDicomDir::moveRecordToTree of the file dcmdata/libsrc/dcdicdir.cc of the component DICOMDIR file Handler. The manipulation with an unknown input leads to a recursion vulnerability. The CWE definition for the vulnerability is CWE-674. The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack. As an impact it is known to affect availability. The summary by CVE is:

Uncontrolled recursion in DcmDicomDir::moveRecordToTree() in dcmdata/libsrc/dcdicdir.cc of OFFIS DCMTK 3.7.0 allows an attacker to cause a denial of service (stack exhaustion and process crash) via a crafted DICOMDIR file with a deeply chained sequence of directory records linked through the Offset of Referenced Lower-Level Directory Entity attribute. Any application that opens the DICOMDIR is affected, including dcmgpdir and media viewers built on DCMTK. The issue is fixed in commit ca761f7f3dcaaddaa95be87cf5d736138d7c3a9f.

It is possible to read the advisory at support.dcmtk.org. This vulnerability is known as CVE-2026-44035 since 05/05/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Applying the patch ca761f7f3dcaaddaa95be87cf5d736138d7c3a9f is able to eliminate this problem.

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Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.5
CNA Vector (securin): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Recursion
CWE: CWE-674 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: ca761f7f3dcaaddaa95be87cf5d736138d7c3a9f

Timelineinfo

05/05/2026 CVE reserved
10/08/2026 +156 days Advisory disclosed
10/08/2026 +0 days VulDB entry created
10/08/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: support.dcmtk.org
Status: Confirmed

CVE: CVE-2026-44035 (🔒)
GCVE (CVE): GCVE-0-2026-44035
GCVE (VulDB): GCVE-100-415351

Entryinfo

Created: 10/08/2026 15:09
Changes: 10/08/2026 15:09 (77)
Complete: 🔍
Cache ID: 216::103

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