Bug 2405359 (CVE-2020-36855)

Summary: CVE-2020-36855 dcmtk: DCMTK dcmqrscp parseQuota stack-based overflow
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A security vulnerability has been detected in DCMTK. 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.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2405672, 2405674, 2405676, 2405678, 2405680    
Bug Blocks:    

Description OSIDB Bzimport 2025-10-21 16:02:27 UTC 
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.