CVE-2021-34193

opensc: Stack overflow vulnerability in OpenSC smart card middleware

Published Aug 22, 2023 CVSS 3.1 · 7.5 High EPSS 1.4% KEV · Not listed
Description
Stack overflow vulnerability in OpenSC smart card middleware before 0.23 via crafted responses to APDUs.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-4004-1 opensc security update
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Nov 3, 2025, 9:44 PM
Reserved
Jun 7, 2021, 12:00 AM
Status
Modified
Published
Aug 22, 2023, 7:16 PM
Modified
Jun 17, 2026, 3:55 AM
Severity
Public date
Aug 22, 2023, 12:00 AM