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CVE-2026-50254— OFFIS DCMTK Toolkit Missing Release of Memory after Effective Lifetime

CVSS 7.5 · High EPSS 0.42% · P35

Affected Version Matrix 1

VendorProductVersion RangeStatus
OFFIS DICOMDCMTK Toolkit≤ 3.7.0affected
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I. Basic Information for CVE-2026-50254

Vulnerability Information
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Vulnerability Title
OFFIS DCMTK Toolkit Missing Release of Memory after Effective Lifetime
Source: CVE Program / CVE List V5
Vulnerability Description
An unauthenticated remote attacker can repeatedly send a single crafted connection request to leak memory. Against storescp in its default single-process mode, memory grows quickly and the service is eventually killed, after which it stops accepting connections until an operator restarts it.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在移除最后引用时对内存的释放不恰当(内存泄露)
Source: CVE Program / CVE List V5
Vulnerability Title
DCMTK 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
DCMTK DCMTK是DCMTK组织的一套影像医学通信与数据处理的工具集。 DCMTK 3.7.0及之前版本存在资源管理错误漏洞，该漏洞源于内存泄漏，可能导致未经身份验证的远程攻击者反复发送特制连接请求，导致内存不断增长，服务最终被终止，停止接受连接直至操作员重启。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
OFFIS DICOMDCMTK Toolkit 0 ~ 3.7.0 -

II. Public POCs for CVE-2026-50254

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 8576 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
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Trigger conditions & impact
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Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-50254

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Vendor Advisories for CVE-2026-50254 (2)

Other References for CVE-2026-50254 (1)

Same Patch Batch · OFFIS DICOM · 2026-06-30 · 5 CVEs total

CVE-2026-500039.8 CRITICALOFFIS DCMTK Toolkit Path Traversal
CVE-2026-528688.2 HIGHOFFIS DCMTK Toolkit Path Traversal
CVE-2026-355057.5 HIGHOFFIS DCMTK Toolkit Missing Release of Memory after Effective Lifetime
CVE-2026-446287.5 HIGHOFFIS DCMTK Toolkit Type Confusion

IV. Related Vulnerabilities

Same product: DCMTK Toolkit
Same vendor: OFFIS DICOM
Same weakness: CWE-401

V. Comments for CVE-2026-50254

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