Bug 2453119 (CVE-2025-66215)

Summary: CVE-2025-66215 OpenSC: OpenSC: Stack-buffer-overflow with physical access via crafted smart card or USB device
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: rhel-process-autobot, watson-tool-maintainers
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in OpenSC, an open-source smart card tool and middleware. An attacker with physical access to the computer can exploit this vulnerability when a user or administrator uses a smart card token. By presenting a specially crafted USB device or smart card, the attacker can trigger a stack-buffer-overflow, which may lead to information disclosure, data corruption, or denial of service.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On: 2453190    
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Description OSIDB Bzimport 2026-03-30 18:01:53 UTC
OpenSC is an open source smart card tools and middleware. Prior to version 0.27.0, an attacker with physical access to the computer at the time user or administrator uses a token can cause a stack-buffer-overflow WRITE in card-oberthur. The attack requires crafted USB device or smart card that would present the system with specially crafted responses to the APDUs. This issue has been patched in version 0.27.0.