CVE-2025-13763
Libopensc: opensc: multiple uses of uninitialized variable
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
INFO
Published Date :
April 23, 2026, 1:16 p.m.
Last Modified :
April 23, 2026, 1:16 p.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2025-13763
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | 53f830b8-0a3f-465b-8143-3b8a9948e749 | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update libopensc to the latest version.
- Apply vendor patches for libopensc.
- Validate system against crafted USB responses.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-13763.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-13763 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-13763
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-13763 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-13763 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Apr. 23, 2026
Action Type Old Value New Value Added 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 Added CVSS V3.1 AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H Added Reference https://access.redhat.com/security/cve/CVE-2025-13763 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2417581 Added Reference https://github.com/OpenSC/OpenSC/security/advisories/GHSA-2v44-fq35-98vv Added Reference https://github.com/OpenSC/OpenSC/wiki/CVE-2025-13763