CVE-2025-49010
Low
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 GET RESPONSE. 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.
SeverityLow
CVSS3.8
Exploit probability—
ProductOpensc
PublishedMar 30, 2026
First seenMar 30, 2026
Weakness typeCWE-121CWE-121
How to fix
Update
- opensc_project opensc0.27.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| opensc_project opensc | v < 0.27.0 | 0.27.0 |
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