CVE-2020-36855 Details
Description
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.
A stack-based buffer overflow vulnerability has been identified in DCMTK versions through 3.6.5. The issue arises in the dcmqrscp component, specifically within the parseQuota function. The vulnerability is triggered by a malformed StorageQuota value, leading to a stack-based buffer overflow. This vulnerability requires local access to exploit.
Upgrading to DCMTK version 3.6.6 or later is recommended to address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Oct 21, 2025References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://shimo.im/docs/rp3OMVMDPKtjn0km/read | CISA-ADP | ExploitThird Party Advisory |
| https://shimo.im/docs/rp3OMVMDPKtjn0km/ | [email protected] | ExploitThird Party Advisory |
| https://vuldb.com/?ctiid.329028 | [email protected] | Permissions RequiredVDB Entry |
| https://vuldb.com/?id.329028 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/?submit.673137 | [email protected] | Third Party AdvisoryVDB Entry |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | [email protected] |
| CWE-121 | Stack-based Buffer Overflow | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| offis dcmtk | < 3.6.6 |
CPE
Remediation
| |
Change History
6 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 29, 2026 | Data Remediation | [email protected] |
| Oct 31, 2025 | Initial Analysis | [email protected] |
| Oct 21, 2025 | CVE Modified | CISA-ADP |
| Oct 21, 2025 | New CVE Received | [email protected] |