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CVE-2021-34193

opensc: Stack overflow vulnerability in OpenSC smart card middleware

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Severity

Unknown

Red Hat Product Security

0

CVSS 3.1

Review impact separately from score.

Published · August 22, 2023

Updated · November 21, 2025

Description

Stack overflow vulnerability in OpenSC smart card middleware before 0.23 via crafted responses to APDUs.

Statement

Red Hat Product Security does not consider this to be a vulnerability.

NOTE the reporters of this flaw have identified this as a duplicate flaw [1] and requested it be rejected in NVD. [1] https://nvd.nist.gov/vuln/detail/CVE-2021-42782

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 0
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N

CWE-787 · Out-of-bounds Write