CVE-2025-66215— OpenSC: Stack-buffer-overflow WRITE in card-oberthur
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I. Basic Information for CVE-2025-66215
Vulnerability Information
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Vulnerability Title
OpenSC: Stack-buffer-overflow WRITE in card-oberthur
Source: NVD (National Vulnerability Database)
Vulnerability Description
OpenSC is an open source smart card tools and middleware. Prior to version 0.27.0, an attacker with physical access to the computer at the time user or administrator uses a token can cause a stack-buffer-overflow WRITE in card-oberthur. The attack requires crafted USB device or smart card that would present the system with specially crafted responses to the APDUs. This issue has been patched in version 0.27.0.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
栈缓冲区溢出
Source: NVD (National Vulnerability Database)
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 0.27.0之前版本存在安全漏洞，该漏洞源于card-oberthur中存在栈缓冲区溢出写入，可能导致执行任意代码。
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
II. Public POCs for CVE-2025-66215
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Same Patch Batch · OpenSC · 2026-03-30 · 4 CVEs total
| CVE-2025-66037 | 3.9 LOW | OpenSC: Out of Bounds vulnerability |
| CVE-2025-66038 | 3.9 LOW | OpenSC: `sc_compacttlv_find_tag` can return out-of-bounds pointers |
| CVE-2025-49010 | 3.8 LOW | OpenSC: Stack-buffer-overflow WRITE in GET RESPONSE |
IV. Related Vulnerabilities
Same product: OpenSC
Same vendor: OpenSC
- CVE-2025-13763
Libopensc: opensc: multiple uses of uninitialized variable - CVE-2025-66038
OpenSC: `sc_compacttlv_find_tag` can return out-of-bounds po - CVE-2025-66037
OpenSC: Out of Bounds vulnerability - CVE-2025-49010
OpenSC: Stack-buffer-overflow WRITE in GET RESPONSE - CVE-2025-24032
PAM-PKCS#11 vulnerable to authentication bypass with default
Same weakness: CWE-121
- CVE-2026-8258
Squirrel sqstdstring.cpp validate_format stack-based overflo - CVE-2026-8234
EFM ipTIME A8004T WifiBasicSet formWifiBasicSet stack-based - CVE-2026-6665
PgBouncer buffer overflow in SCRAM - CVE-2026-41509
Integer underflow in crypto_sign_open() leads to buffer over - CVE-2026-8138
Tenda CX12L SetPptpServerCfg” formSetPPTPServer stack-based
V. Comments for CVE-2025-66215
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