CVE-2020-36855CWE-119CWE-121

DCMTK dcmqrscp parseQuota stack-based overflow

Medium · published October 21, 2025

CVSS v4.0
4.8
EPSS
0%
Percentile
15.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
4.8 · MEDIUM
Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00247 · 15.1th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-121 · Stack-based Buffer Overflow
Published
2025-10-21T15:02Z
EPSS history
Timeline
  • 21 OCT 15:02Z
    DCMTK dcmqrscp parseQuota stack-based overflow
    cvelistv5