CVE-2021-42779
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I. Basic Information for CVE-2021-42779
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A heap use after free issue was found in Opensc before version 0.22.0 in sc_file_valid.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
释放后使用
Source: NVD (National Vulnerability Database)
Vulnerability Title
OpenSC 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenSC是一款开源的智能卡工具和中间件。 OpenSC 存在安全漏洞，该漏洞源于攻击者可利用该漏洞可以通过sc file valid()强制重用已释放的OpenSC内存区域，以触发拒绝服务，并可能运行代码。
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | opensc | opensc 0.22.0 | - |
II. Public POCs for CVE-2021-42779
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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- https://security.gentoo.org/glsa/202209-03vendor-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2021-42779
Same Patch Batch · n/a · 2022-04-18 · 26 CVEs total
| CVE-2022-29464 | 9.8 CRITICAL | WSO2 API Manager 路径遍历漏洞 |
| CVE-2022-27526 | Autodesk Design Review 缓冲区错误漏洞 | |
| CVE-2022-29457 | ZOHO ManageEngine ADSelfService Plus 安全漏洞 | |
| CVE-2022-25226 | ThinVNC 安全漏洞 | |
| CVE-2011-4917 | Linux kernel 安全漏洞 | |
| CVE-2021-42778 | OpenSC 资源管理错误漏洞 | |
| CVE-2011-1762 | Wordpress 安全漏洞 | |
| CVE-2021-3681 | Ansible Galaxy Collections 安全漏洞 | |
| CVE-2021-3503 | Red Hat Wildfly 安全漏洞 | |
| CVE-2021-3624 | dcraw 输入验证错误漏洞 | |
| CVE-2022-1341 | bwm-ng 代码问题漏洞 | |
| CVE-2022-27652 | cri-o 安全漏洞 | |
| CVE-2022-27530 | Autodesk AutoCAD 缓冲区错误漏洞 | |
| CVE-2022-27529 | Autodesk AutoCAD 缓冲区错误漏洞 | |
| CVE-2021-3652 | 389-ds-base 安全漏洞 | |
| CVE-2022-27525 | Autodesk AutoCAD 缓冲区错误漏洞 | |
| CVE-2021-46122 | TP-LINK TL-WR840N 安全漏洞 | |
| CVE-2022-26665 | Tyler Technologies Tyler Odyssey 安全漏洞 | |
| CVE-2022-26631 | ResearchGate Automatic Question Paper Generator System SQL注入漏洞 | |
| CVE-2022-28810 | ZOHO ManageEngine ADSelfService Plus 信任管理问题漏洞 |
Showing top 20 of 26 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: opensc
- CVE-2025-13763
Libopensc: opensc: multiple uses of uninitialized variable - CVE-2025-66215
OpenSC: Stack-buffer-overflow WRITE in card-oberthur - 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
Same vendor: n/a
- CVE-2026-8276
bettercap MySQL Server mysql_server.go integer coercion - CVE-2026-8275
bettercap zerogod IPP Service zerogod_ipp_primitives.go ippR - CVE-2026-8270
Open5GS SMF ogs_nas_parse_qos_rules denial of service - CVE-2026-8269
Open5GS SMF smf_nsmf_handle_create_sm_context denial of serv - CVE-2026-8268
Open5GS SMF OpenAPI_list_create denial of service
V. Comments for CVE-2021-42779
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