What’s Vulnerable › Vulnerabilities

CVE-2026-50254: OFFIS DCMTK Toolkit Missing Release of Memory after Effective Lifetime

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-30 · updated 2026-10-25
• Weakness: CWE-401

Description

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.

Affected products

• OFFIS DICOM DCMTK Toolkit: through 3.7.0

References

• https://github.com/DCMTK/dcmtk/releases/tag/latest
• https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsma-26-181-01.json
• https://www.cisa.gov/news-events/ics-medical-advisories/icsma-26-181-01

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