# CVE-2026-5663: dcmtk: A security flaw has been discovered in OFFIS DCMTK up to 3.7.0

CVE-2026-5663 is fixed in dcmtk on 1 platform, first by DEBIAN-CVE-2026-5663, released April 6, 2026. It is not reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/cve/CVE-2026-5663
- Priority: Urgent
- CVSS: 9.8 (critical)
- EPSS: 0.0197
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 6, 2026

## Description

A security flaw has been discovered in OFFIS DCMTK up to 3.7.0. This impacts the function executeOnReception/executeOnEndOfStudy of the file dcmnet/apps/storescp.cc of the component storescp. Performing a manipulation results in os command injection. Remote exploitation of the attack is possible. The patch is named edbb085e45788dccaf0e64d71534cfca925784b8. Applying a patch is the recommended action to fix this issue.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | dcmtk Debian 12.15 (bookworm) | 3.6.7-9~deb12u4 | [DEBIAN-CVE-2026-5663](https://patchblox.com/security/data/fix/linux/debian-cve-2026-5663.md) | Apr 6, 2026 |
| Linux | dcmtk Debian 13.5 (trixie) | 3.6.9-5+deb13u1 | [DEBIAN-CVE-2026-5663](https://patchblox.com/security/data/fix/linux/debian-cve-2026-5663.md) | Apr 6, 2026 |
| Linux | dcmtk Debian 14 | 3.7.0+really3.7.0-3 | [DEBIAN-CVE-2026-5663](https://patchblox.com/security/data/fix/linux/debian-cve-2026-5663.md) | Apr 6, 2026 |

---

Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.