CVE-2025-13763

Medium

Description

Multiple uses of uninitialized variables were found in libopensc that may lead to information disclosure or application crash. An attack requires a crafted USB device or smart card that would present the system with specially crafted responses to the APDUs

SeverityMedium
CVSS5.7
Exploit probability—
ProductOpenSC
PublishedApr 23, 2026
First seenApr 23, 2026
Weakness typeCWE-457CWE-457

How to fix

Update
  • OpenSC OpenSC0.27.0 or later

Affected products

ProductAffected versionsFixed in
OpenSC OpenSCv < 0.27.00.27.0
Red Hat Red Hat Enterprise Linux 10No range specified—
Red Hat Red Hat Enterprise Linux 7No range specified—
Red Hat Red Hat Enterprise Linux 8No range specified—
Red Hat Red Hat Enterprise Linux 9No range specified—

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