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CVE-2025-13763— Libopensc: opensc: multiple uses of uninitialized variable

Quick assessment

Affected
OpenSC OpenSC
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OpenSC是OpenSC开源的一款开源的智能卡工具和中间件。 OpenSC存在安全漏洞，该漏洞源于多次使用未初始化变量，可能导致信息泄露或应用崩溃。攻击需要特制USB设备或智能卡。

CVSS 5.7 · Medium EPSS 0.18% · P7

Affected Version Matrix 5

VendorProduct Version RangeStatus
OpenSC OpenSC < 0.27.0 affected
Red Hat Red Hat Enterprise Linux 10 any affected
Red Hat Red Hat Enterprise Linux 7 any affected
Red Hat Red Hat Enterprise Linux 8 any affected
Red Hat Red Hat Enterprise Linux 9 any affected
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I. Basic Information for CVE-2025-13763

Vulnerability Information
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Vulnerability Title
Libopensc: opensc: multiple uses of uninitialized variable
Source: CVE Program / CVE List V5
Vulnerability 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
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
OpenSC 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenSC是OpenSC开源的一款开源的智能卡工具和中间件。 OpenSC存在安全漏洞，该漏洞源于多次使用未初始化变量，可能导致信息泄露或应用崩溃。攻击需要特制USB设备或智能卡。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
OpenSC OpenSC 0 ~ 0.27.0 -
Red Hat Red Hat Enterprise Linux 10 - cpe:/o:redhat:enterprise_linux:10
Red Hat Red Hat Enterprise Linux 7 - cpe:/o:redhat:enterprise_linux:7
Red Hat Red Hat Enterprise Linux 8 - cpe:/o:redhat:enterprise_linux:8
Red Hat Red Hat Enterprise Linux 9 - cpe:/o:redhat:enterprise_linux:9

II. Public POCs for CVE-2025-13763

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III. Intelligence Information for CVE-2025-13763

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Patches & Fixes for CVE-2025-13763 (1)

Vendor Advisories for CVE-2025-13763 (2)

IV. Related Vulnerabilities

Same product: OpenSC
Same vendor: OpenSC

V. Comments for CVE-2025-13763

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