CVE-2021-44647
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I. Basic Information for CVE-2021-44647
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Lua v5.4.3 and above are affected by SEGV by type confusion in funcnamefromcode function in ldebug.c which can cause a local denial of service.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Lua安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Lua是LUA团队的一款轻量级、扩展的开源脚本语言。 Lua 5.4.4和5.4.2存在安全漏洞，该漏洞源于ldebug.c中funcnamefromcode函数存在类型混淆漏洞，攻击者利用该漏洞导致本地拒绝服务。
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 |
|---|---|---|---|---|
| - | n/a | n/a | - |
II. Public POCs for CVE-2021-44647
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://security.gentoo.org/glsa/202305-23vendor-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2021-44647
Same Patch Batch · n/a · 2022-01-11 · 9 CVEs total
| CVE-2021-46283 | netfilter 安全漏洞 | |
| CVE-2021-43974 | Sysaid Technologies SysAid 访问控制错误漏洞 | |
| CVE-2021-43973 | Sysaid Technologies SysAid 代码问题漏洞 | |
| CVE-2021-43972 | Sysaid Technologies SysAid 安全漏洞 | |
| CVE-2021-43971 | Sysaid Technologies SysAid SQL注入漏洞 | |
| CVE-2020-28103 | CScms SQL注入漏洞 | |
| CVE-2020-28102 | CScms SQL注入漏洞 | |
| CVE-2021-43566 | Samba 竞争条件问题漏洞 |
IV. Related Vulnerabilities
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-2021-44647
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