CVE-2021-31806
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I. Basic Information for CVE-2021-31806
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to a memory-management bug, it is vulnerable to a Denial of Service attack (against all clients using the proxy) via HTTP Range request processing.
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
Squid 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Squid是一套代理服务器和Web缓存服务器软件。该软件提供缓存万维网、过滤流量、代理上网等功能。 Squid 存在输入验证错误漏洞。该漏洞源于程序执行HTTP Range请求时对用户提供的输入的验证不足，远程代理客户端可以通过代理服务器发送特制的HTTP请求并导致拒绝服务攻击。以下产品及版本存在该漏洞：Squid: 2.5, 2.5.6, 2.5.9, 2.5.stable1, 2.5.stable2, 2.5.stable3, 2.5.stable4, 2.5.stable5, 2.5.stable6
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)
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Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | n/a | n/a | - |
II. Public POCs for CVE-2021-31806
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://www.debian.org/security/2021/dsa-4924vendor-advisory
- http://seclists.org/fulldisclosure/2023/Oct/14mailing-list
- [SECURITY] [DLA 2685-1] squid3 security updatemailing-list
- https://nvd.nist.gov/vuln/detail/CVE-2021-31806
Same Patch Batch · n/a · 2021-05-27 · 74 CVEs total
| CVE-2020-22025 | FFmpeg 缓冲区错误漏洞 | |
| CVE-2020-14329 | Red Hat Ansible 信息泄露漏洞 | |
| CVE-2020-10688 | Red Hat Resteasy 跨站脚本漏洞 | |
| CVE-2020-22033 | FFmpeg 缓冲区错误漏洞 | |
| CVE-2020-22032 | FFmpeg 缓冲区错误漏洞 | |
| CVE-2020-22016 | FFmpeg 缓冲区错误漏洞 | |
| CVE-2020-22017 | FFmpeg 缓冲区错误漏洞 | |
| CVE-2021-33394 | Devellion Cubecart 授权问题漏洞 | |
| CVE-2020-22022 | FFmpeg 缓冲区错误漏洞 | |
| CVE-2020-22023 | FFmpeg 缓冲区错误漏洞 | |
| CVE-2020-10697 | Red Hat Ansible 安全漏洞 | |
| CVE-2020-22027 | FFmpeg 缓冲区错误漏洞 | |
| CVE-2020-22030 | FFmpeg 缓冲区错误漏洞 | |
| CVE-2020-22029 | FFmpeg 缓冲区错误漏洞 | |
| CVE-2020-22031 | FFmpeg 缓冲区错误漏洞 | |
| CVE-2021-27490 | Siemens Solid Edge 缓冲区错误漏洞 | |
| CVE-2021-27492 | Siemens Solid Edge 代码问题漏洞 | |
| CVE-2021-27488 | Siemens Solid Edge 缓冲区错误漏洞 | |
| CVE-2021-27496 | Siemens Solid Edge 安全漏洞 | |
| CVE-2021-27494 | Siemens Solid Edge 安全漏洞 |
Showing top 20 of 74 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same vendor: n/a
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Open5GS SMF smf_nsmf_handle_create_sm_context denial of serv - CVE-2026-8268
Open5GS SMF OpenAPI_list_create denial of service
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