Buffer overflow in Offis Dcmtk
CVE-2020-36855
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…
Vulnerability class: Buffer Overflow
EPSS: 0.000 (10.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Offis Dcmtk
- N/a Dcmtk — versions 3.6.0, 3.6.1, 3.6.2
Weakness classification (CWE)
References
- VDB-329028 | DCMTK dcmqrscp parseQuota stack-based overflow (technical-description, Third Party Advisory, VDB Entry, vdb-entry)
- VDB-329028 | CTI Indicators (IOB, IOC, IOA) (signature, Permissions Required, permissions-required, VDB Entry)
- Submit #673137 | DCMTK GitHub Repository DCMTK 3.6.5 Stack-based Buffer Overflow (Third Party Advisory, VDB Entry, third-party-advisory)
- cna@vuldb.com (Exploit, Third Party Advisory, exploit)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-36855?
- CVE-2020-36855 is a medium-severity vulnerability in Offis Dcmtk, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.3/10. Published 2025-10-21.
- How severe is CVE-2020-36855?
- Medium severity. CVSS v3 base score is 5.3 out of 10.