CVE-2026-50254

OFFIS DCMTK Toolkit Missing Release of Memory after Effective Lifetime

State
Published
Severity
8.7 High
Published
Jun 30, 2026
Updated
Jul 1, 2026
Reserved
Jun 22, 2026

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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.

Scores

CVSSScoreVectorSource
4.08.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:Nicscert
3.17.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nicscert

Weaknesses

  • CWE-401 Missing release of memory after effective lifetime

Affected Products

ProductVersions
DCMTK ToolkitOFFIS DICOM
  • 3.7.0 and earlierAffected

References

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