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CVE-2025-13763

Libopensc: opensc: multiple uses of uninitialized variable

Published: Apr 23, 2026Updated: Apr 23, 2026 Sources: CVE List NVD
NVD MITRE
5.7CVSS
MEDIUM

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

EPSS Score
N/A
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Workaround Only

CVSS Vector Breakdown

AV:PAC:HPR:NUI:NS:UC:HI:NA:H
Exploitability
AV:PAttack Vector
Physical
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:HAvailability
High

Weaknesses

CWE-457

Affected Products

OpenSC
OpenSC
Red Hat Enterprise Linux 10
Red Hat
Red Hat Enterprise Linux 7
Red Hat
Red Hat Enterprise Linux 8
Red Hat
Red Hat Enterprise Linux 9
Red Hat

Exploitability

Workaround Available

References

https://access.redhat.com/security/cve/CVE-2025-13763
access.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2417581
bugzilla.redhat.com
https://github.com/OpenSC/OpenSC/security/advisories/GHSA-2v44-fq35-98vv
github.com
and 1 more references View all →

Timeline

Published
Apr 23, 2026
Last Updated
Apr 23, 2026

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