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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.

PUBLISHED Reserved 2026-06-21 | Published 2026-06-21 | Updated 2026-06-21 | Assigner VulDB




MEDIUM: 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
MEDIUM: 6.3CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
MEDIUM: 6.3CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
7.5AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C

Problem types

Heap-based Buffer Overflow

Memory Corruption

Product status

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

Timeline

2026-06-21:Advisory disclosed
2026-06-21:VulDB entry created
2026-06-21:VulDB entry last update

Credits

FaboHerrrera (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/372599 (VDB-372599 | OFFIS DCMTK ofxml.cc parseFile heap-based overflow) vdb-entry technical-description

vuldb.com/vuln/372599/cti (VDB-372599 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/cve/CVE-2026-12805 (CVE-2026-12805 | CVE Analysis and Report) third-party-advisory

vuldb.com/submit/836273 (Submit #836273 | DCMTK 3.7.0 and below Heap-based Buffer Overflow) third-party-advisory

support.dcmtk.org/redmine/issues/1208 issue-tracking

git.dcmtk.org/...;h=1d4b3815c0987840a983160bfc671fef63a3105b patch

medium.com/...a.fabo/dcmtk-vulnerability-report-201afc687790 broken-link exploit

github.com/...ommit/1d4b3815c0987840a983160bfc671fef63a3105b patch

cve.org (CVE-2026-12805)

nvd.nist.gov (CVE-2026-12805)

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