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Medium 5.3HealthcarePublished Oct 21, 2025

CVE-2020-36855DCMTK dcmqrscp parseQuota stack-based overflow

Updated under an hour ago ()

Does this affect you?

It affects offis dcmtk. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 0.25%, higher than 15% of scored CVEs.

A security vulnerability has been detected in DCMTK up to 3.6.5. The affected element is the function parseQuota of the component dcmqrscp. The manipulation of the argument StorageQuota leads to stack-based buffer overflow. Local access is required to approach this attack. The exploit has been disclosed publicly and may be used. Upgrading to version 3.6.6 is sufficient to fix this issue. The identifier of the patch is 0fef9f02e. It is recommended to upgrade the affected component.

CVSS
5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
Weakness (CWE)
CWE-121, CWE-119
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
0.25% (percentile 15)
Assigned by
VulDB
NVD analysis
Analyzed
Record last updated
Oct 21, 2025
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
offis dcmtk
offis:dcmtk
before 3.6.6
NVD

References

  • vdb-entry, technical-description, third-party-advisory
  • signature, permissions-required, vdb-entry
  • third-party-advisory, vdb-entry
  • exploit, third-party-advisory
  • exploit, third-party-advisory

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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