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.
References (2)
Core 2
Core References
X_Refsource_Confirm x_refsource_confirm
https://github.com/OpenSC/OpenSC/security/advisories/GHSA-q5cf-5wmx-9wh4
X_Refsource_Misc x_refsource_misc
https://github.com/OpenSC/OpenSC/wiki/CVE-2025-49010
Scores
CVSS v3
3.8
EPSS
0.0013
EPSS Percentile
2.9%
Attack Vector
PHYSICAL
CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-121
Status
published
Products (2)
OpenSC/OpenSC
< 0.27.0
opensc_project/opensc
< 0.27.0
Published
Mar 30, 2026
Tracked Since
Mar 30, 2026