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CVE-2025-66215

LOW

3.8

Description

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.

CVE Details

CVSS v3.1 Score3.8

SeverityLOW

CVSS VectorCVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L

Attack VectorPHYSICAL

ComplexityHIGH

Privileges RequiredNONE

User InteractionREQUIRED

Published3/30/2026

Last Modified4/1/2026

Sourcenvd

Honeypot Sightings0

Affected Products

opensc_project:opensc

Weaknesses (CWE)

CWE-121

References

https://github.com/OpenSC/OpenSC/commit/efd1d479832141bcf705c2f47655ada4d5f92f5d(security-advisories@github.com)

https://github.com/OpenSC/OpenSC/pull/3436(security-advisories@github.com)

https://github.com/OpenSC/OpenSC/security/advisories/GHSA-q5fc-cw56-hwp2(security-advisories@github.com)

https://github.com/OpenSC/OpenSC/wiki/CVE-2025-66215(security-advisories@github.com)

IOC Correlations

No correlations recorded

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