CVE-2025-66215: 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…

PriorityP431medium6.8CVSS 3.1

AVPACLPRNUINSUCHIHAH

EPSS

0.16%

5.5th percentile

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.

Affected

4 ranges

Vendor	Product	Version range	Fixed in
debian	opensc	< opensc 0.27.0~rc1-1 (forky)	opensc 0.27.0~rc1-1 (forky)
opensc	opensc	< 0.27.0	0.27.0
opensc_project	opensc	< 0.27.0	0.27.0
opensc_project	opensc	>= 0 < 0.27.0~rc1-1	0.27.0~rc1-1

CVSS provenance

nvdv3.16.8MEDIUMCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

osv6.8MEDIUM

vendor_debian3.8LOW

vendor_redhat3.8LOW

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