CVE-2025-13763

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

CVSS v3.1 Score

5.7

MEDIUM

CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H

EPSS — Exploit Prediction

0.0002

Probability of exploitation

0.07%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-457 CWE-457

References

Other References

https://access.redhat.com/security/cve/CVE-2025-13763 https://bugzilla.redhat.com/show_bug.cgi?id=2417581 https://github.com/OpenSC/OpenSC/security/advisories/GHSA-2v44-fq35-98vv https://github.com/OpenSC/OpenSC/wiki/CVE-2025-13763 https://github.com/OpenSC/OpenSC/security/advisories/GHSA-2v44-fq35-98vv

Frequently Asked Questions

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 It has a CVSS v3.1 base score of 5.7 (MEDIUM).

How severe is CVE-2025-13763? +

CVE-2025-13763 has a CVSS v3.1 score of 5.7 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0002, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2025-13763? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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