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CVE-2026-12805— OFFIS DCMTK ofxml.cc parseFile heap-based overflow

Quick assessment

Affected
OFFIS DCMTK
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OFFIS dcmtk是德国OFFIS组织开源的一套医学影像通信工具。 OFFIS DCMTK 3.7.0及之前版本存在缓冲区错误漏洞，该漏洞源于函数XMLNode::parseFile在库ofstd/libsrc/ofxml.cc中，执行操纵可能导致堆缓冲区溢出。

CVSS 6.3 · Medium EPSS 0.47% · P39

Affected Version Matrix 8

VendorProduct Version RangeStatus
OFFIS DCMTK 3.0 affected
3.1 affected
3.2 affected
3.3 affected
3.4 affected
3.5 affected
3.6 affected
3.7.0 affected
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I. Basic Information for CVE-2026-12805

Vulnerability Information
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Vulnerability Title
OFFIS DCMTK ofxml.cc parseFile heap-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw has been found in OFFIS DCMTK up to 3.7.0. The affected element is the function XMLNode::parseFile in the library ofstd/libsrc/ofxml.cc. Executing a manipulation can lead to heap-based buffer overflow. The attack may be performed from remote. The exploit has been published and may be used. This patch is called 1d4b3815c0987840a983160bfc671fef63a3105b. It is best practice to apply a patch to resolve this issue. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
OFFIS DCMTK 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OFFIS dcmtk是德国OFFIS组织开源的一套医学影像通信工具。 OFFIS DCMTK 3.7.0及之前版本存在缓冲区错误漏洞，该漏洞源于函数XMLNode::parseFile在库ofstd/libsrc/ofxml.cc中，执行操纵可能导致堆缓冲区溢出。
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

Vendor Product Affected Versions CPE Subscribe
OFFIS DCMTK 3.0 cpe:2.3:a:offis:dcmtk:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-12805

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III. Intelligence Information for CVE-2026-12805

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Patches & Fixes for CVE-2026-12805 (2)

Other References for CVE-2026-12805 (1)

IV. Related Vulnerabilities

Same product: DCMTK
Same vendor: OFFIS
Same weakness: CWE-122

V. Comments for CVE-2026-12805

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