CVE intelligence

CVE-2025-13763

Vulnerability intelligence

Published Apr 23, 2026Sources checked Sep 27, 2026

5.7MEDIUMCVSS out of 10

What this means

Review the available evidence

CVE-2025-13763 and is rated Medium severity with a CVSS score of 5.7. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.

CISA KEVNot listedBased on the latest collected catalog

EPSS0.2%Estimated 30-day exploitation probability

Ransomware useNot markedCISA KEV ransomware field

Threat actors0Source-linked actor relationships

Overview

What is CVE-2025-13763?

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