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[USN-7010-2] DCMTK regression

Posted on 08 July 2025
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-7010-2
July 08, 2025

dcmtk regression
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

USN-7010-1 introduced a regression in DCMTK

Software Description:
- dcmtk: OFFIS DICOM toolkit command line utilities

Details:

USN-7010-1 fixed vulnerabilities in DCMTK. The update introduced a
regression. This update fixes the problem.

We apologize for the inconvenience.

Original advisory details:

Jinsheng Ba discovered that DCMTK incorrectly handled certain requests. If
a user or an automated system were tricked into opening a certain specially
crafted input file, a remote attacker could possibly use this issue to
cause a denial of service. This issue only affected Ubuntu 20.04 LTS.
(CVE-2021-41687, CVE-2021-41688, CVE-2021-41689, CVE-2021-41690)

Sharon Brizinov and Noam Moshe discovered that DCMTK incorrectly handled
pointers. If a user or an automated system were tricked into opening a
certain specially crafted input file, a remote attacker could possibly use
this issue to cause a denial of service. This issue only affected
Ubuntu 20.04 LTS. (CVE-2022-2121)

It was discovered that DCMTK incorrectly handled certain inputs. If a
user or an automated system were tricked into opening a certain specially
crafted input file, a remote attacker could possibly use this issue to
cause a denial of service. This issue only affected Ubuntu 20.04 LTS.
(CVE-2022-43272)

It was discovered that DCMTK incorrectly handled certain inputs. If a
user or an automated system were tricked into opening a certain specially
crafted input file, a remote attacker could possibly use this issue to
execute arbitrary code. This issue was only addressed in Ubuntu 20.04 LTS
and Ubuntu 22.04 LTS. (CVE-2024-28130)

It was discovered that DCMTK incorrectly handled memory when processing an
invalid incoming DIMSE message. An attacker could possibly use this issue
to cause a denial of service. (CVE-2024-34508, CVE-2024-34509)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 20.04 LTS
dcmtk 3.6.4-2.1ubuntu0.2
libdcmtk14 3.6.4-2.1ubuntu0.2

Ubuntu 18.04 LTS
dcmtk 3.6.2-3ubuntu0.1~esm3
Available with Ubuntu Pro
libdcmtk12 3.6.2-3ubuntu0.1~esm3
Available with Ubuntu Pro

Ubuntu 16.04 LTS
dcmtk 3.6.1~20150924-5ubuntu0.1~esm3
Available with Ubuntu Pro
libdcmtk5 3.6.1~20150924-5ubuntu0.1~esm3
Available with Ubuntu Pro

In general, a standard system update will make all the necessary changes.

References:
https://ubuntu.com/security/notices/USN-7010-2
https://ubuntu.com/security/notices/USN-7010-2
CVE-2021-41687

Package Information:
https://launchpad.net/ubuntu/+source/dcmtk/3.6.4-2.1ubuntu0.2

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