ELA-1574-1 dcmtk security update

denial of service

2025-11-11
Packagedcmtk
Version3.6.4-2.1+deb10u4 (buster)
Related CVEs CVE-2020-36855 CVE-2022-4981 CVE-2025-9732


Several vulnerabilities have been fixed in DCMTK, a collection of libraries and applications implementing large parts of the DICOM standard for medical images.

CVE-2025-9732

Processing of an invalid DICOM image with a Photometric
Interpretation of "YBR_FULL" and a Planar Configuration of "1" where
the number of pixels stored does not match the expected number of pixels.
This may lead to memory corruption.

CVE-2022-4981

Various issues in the dcmqrscp configuration file parser that could cause
application crashes when reading a malformed configuration file, due to
insufficient checks of the input data.

CVE-2020-36855

Stack-based overflow in the dcmqrscp config parser.


For Debian 10 buster, these problems have been fixed in version 3.6.4-2.1+deb10u4.

We recommend that you upgrade your dcmtk packages.

Further information about Extended LTS security advisories can be found in the dedicated section of our website.