CVE-2026-12805

Medium

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.

SeverityMedium
CVSS6.3
Exploit probability—
ProductOffis Dcmtk
PublishedJun 21, 2026
First seenJun 21, 2026

How to fix

Affected products

ProductAffected versionsFixed in
offis dcmtk3.0, 3.1, 3.2, 3.3, 3.4, 3.5, 3.6, 3.7.0—

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