CVE-2021-20276
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I. Basic Information for CVE-2021-20276
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in privoxy before 3.0.32. Invalid memory access with an invalid pattern passed to pcre_compile() may lead to denial of service.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
内存缓冲区边界内操作的限制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Privoxy 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Privoxy是美国Privoxy团队的一款不进行网页缓存且自带过滤功能的代理服务器。它具有高级过滤功能，可增强隐私，修改网页数据和HTTP标头，控制访问以及删除广告和其他令人讨厌的Internet垃圾。Privoxy具有灵活的配置，可以根据个人需要进行定制。它适用于独立系统和多用户网络。 privoxy before 3.0.32 存在安全漏洞，该漏洞源于无效的内存访问和传递给pcre compile()的无效模式可能会导致拒绝服务。
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 |
|---|---|---|---|---|
| - | privoxy | privoxy 3.0.32 | - |
II. Public POCs for CVE-2021-20276
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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- https://www.privoxy.org/announce.txtx_refsource_MISC
- https://bugzilla.redhat.com/show_bug.cgi?id=1936668x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-20276
Same Patch Batch · n/a · 2021-03-09 · 29 CVEs total
| CVE-2021-23352 | 8.6 HIGH | Command Injection |
| CVE-2021-23353 | 5.9 MEDIUM | Regular Expression Denial of Service (ReDoS) |
| CVE-2021-28116 | 3.7 LOW | Squid 缓冲区错误漏洞 |
| CVE-2021-20246 | ImageMagick Studio ImageMagick 数字错误漏洞 | |
| CVE-2021-28119 | Xander Frangos twinkle-tray 安全漏洞 | |
| CVE-2021-20245 | ImageMagick Studio ImageMagick 数字错误漏洞 | |
| CVE-2021-20244 | ImageMagick Studio ImageMagick 数字错误漏洞 | |
| CVE-2021-20243 | ImageMagick Studio ImageMagick 数字错误漏洞 | |
| CVE-2021-20241 | ImageMagick Studio ImageMagick 数字错误漏洞 | |
| CVE-2021-28006 | Sourcecodester Web Based Quiz System 跨站脚本漏洞 | |
| CVE-2021-20272 | Privoxy 安全漏洞 | |
| CVE-2021-20273 | Privoxy 输入验证错误漏洞 | |
| CVE-2021-20274 | Privoxy 代码问题漏洞 | |
| CVE-2021-20275 | Privoxy 缓冲区错误漏洞 | |
| CVE-2021-25915 | Eugene Ware changeset 安全漏洞 | |
| CVE-2021-20253 | Red Hat ansible-tower 安全漏洞 | |
| CVE-2021-20268 | Linux kernel 输入验证错误漏洞 | |
| CVE-2021-20263 | QEMU 安全漏洞 | |
| CVE-2021-20262 | Red Hat Keycloak 访问控制错误漏洞 | |
| CVE-2020-28150 | I-Net Software Clear Reports 输入验证错误漏洞 |
Showing top 20 of 29 CVEs. View all on vendor page → →
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Same weakness: CWE-119
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