CVE-2026-12805: Offis Dcmtk

Medium severity, CVSS 6.3. EPSS: 0.5% chance of exploitation in the next 30 days.

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.

Affected products

• Offis Dcmtk: version 3.0 only; version 3.1 only; version 3.2 only; version 3.3 only; version 3.4 only; version 3.5 only; …

Published 2026-06-21. Last modified 2026-06-23.