What is CVE-2025-49010?

CVE-2025-49010 is a low-severity vulnerability in Opensc, classified under Stack-based Buffer Overflow. CVSS score: 3.8/10. Published 2026-03-30.

How severe is CVE-2025-49010?

Low severity. CVSS v3 base score is 3.8 out of 10.

Buffer overflow in Opensc

CVE-2025-49010

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…

Vulnerability class: Buffer Overflow

EPSS: 0.000 (5.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.8 (Low). Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L.

Affected products

Opensc — versions < 0.27.0

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

References

https://github.com/OpenSC/OpenSC/security/advisories/GHSA-q5cf-5wmx-9wh4 (x_refsource_CONFIRM)
https://github.com/OpenSC/OpenSC/wiki/CVE-2025-49010 (x_refsource_MISC)

Frequently asked questions

What is CVE-2025-49010?: CVE-2025-49010 is a low-severity vulnerability in Opensc, classified under Stack-based Buffer Overflow. CVSS score: 3.8/10. Published 2026-03-30.
How severe is CVE-2025-49010?: Low severity. CVSS v3 base score is 3.8 out of 10.