OFFIS DCMTK Toolkit

View CSAF Summary Successful exploitation of these vulnerabilities could allow an attacker to write files, access unauthorized information, exhaust memory, or crash affected DCMTK client or server processes. The following versions of OFFIS DCMTK Toolkit are affected: DCMTK <=3.7.0 (CVE-2026-50003, CVE-2026-50254, CVE-2026-35505, CVE-2026-52868, CVE-2026-44628) CVSS Vendor Equipment Vulnerabilities v3 9.8 OFFIS OFFIS DCMTK Toolkit Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal'), Missing Release of Memory after Effective Lifetime, Access of Resource Using Incompatible Type ('Type Confusion') Background Critical Infrastructure Sectors: Healthcare and Public Health Countries/Areas Deployed: Worldwide Company Headquarters Location: Germany Vulnerabilities Expand All + CVE-2026-50003 A malicious or compromised server can make a DCMTK client using bit-preserving C-GET storage mode write files outside the chosen output directory, using both relative (../) paths and absolute paths. View CVE Details Affected Products OFFIS DCMTK Toolkit Vendor: OFFIS Product Version: OFFIS DCMTK: <=3.7.0 Product Status: known_affected Remediations Mitigation The maintainer was notified of these vulnerabilities and has provided a fix. The fix is included in the latest commits and can be obtained in the following snapshot: Vendor fix https://github.com/DCMTK/dcmtk/releases/tag/latest. https://github.com/DCMTK/dcmtk/releases/tag/latest Mitigation Users are recommended to download the latest GitHub release once it becomes available. Relevant CWE: CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') Metrics CVSS Version Base Score Base Severity Vector String 3.1 9.8 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H 4.0 9.3 CRITICAL CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVE-2026-50254 An unauthenticated remote attacker can repeatedly send a single crafted connection request to leak memory. Against storescp in its default single-process mode, memory grows quickly and the service is eventually killed, after which it stops accepting connections until an operator restarts it. View CVE Details Affected Products OFFIS DCMTK Toolkit Vendor: OFFIS Product Version: OFFIS DCMTK: <=3.7.0 Product Status: known_affected Remediations Mitigation The maintainer was notified of these vulnerabilities and has provided a fix. The fix is included in the latest commits and can be obtained in the following snapshot: Vendor fix https://github.com/DCMTK/dcmtk/releases/tag/latest. https://github.com/DCMTK/dcmtk/releases/tag/latest Mitigation Users are recommended to download the latest GitHub release once it becomes available. Relevant CWE: CWE-401 Missing Release of Memory after Effective Lifetime Metrics CVSS Version Base Score Base Severity Vector String 3.1 7.5 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H 4.0 8.7 HIGH CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVE-2026-35505 An unauthenticated remote attacker can repeatedly send crafted connection requests to leak memory. In single-process deployments the memory grows until the service is killed and the port stops responding until restart. View CVE Details Affected Products OFFIS DCMTK Toolkit Vendor: OFFIS Product Version: OFFIS DCMTK: <=3.7.0 Product Status: known_affected Remediations Mitigation The maintainer was notified of these vulnerabilities and has provided a fix. The fix is included in the latest commits and can be obtained in the following snapshot: Vendor fix https://github.com/DCMTK/dcmtk/releases/tag/latest. https://github.com/DCMTK/dcmtk/releases/tag/latest Mitigation Users are recommended to download the latest GitHub release once it becomes available. Relevant CWE: CWE-401 Missing Release of Memory after Effective Lifetime Metrics CVSS Version Base Score Base Severity Vector String 3.1 7.5 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H 4.0 8.7 HIGH CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/