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CVE-2021-33574

Quick assessment

Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

GNU C Library（glibc，libc6）是一种按照LGPL许可协议发布的开源免费的C语言编译程序。 GNU C Library 2.33至2.33版本中存在资源管理错误漏洞，攻击者可利用该漏洞导致拒绝服务。

AI Predicted 5.5 Difficulty: Moderate EPSS 2.87% · P86
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I. Basic Information for CVE-2021-33574

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The mq_notify function in the GNU C Library (aka glibc) versions 2.32 and 2.33 has a use-after-free. It may use the notification thread attributes object (passed through its struct sigevent parameter) after it has been freed by the caller, leading to a denial of service (application crash) or possibly unspecified other impact.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
GNU C Library 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GNU C Library（glibc，libc6）是一种按照LGPL许可协议发布的开源免费的C语言编译程序。 GNU C Library 2.33至2.33版本中存在资源管理错误漏洞，攻击者可利用该漏洞导致拒绝服务。
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
- n/a n/a -

II. Public POCs for CVE-2021-33574

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III. Intelligence Information for CVE-2021-33574

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Vendor Advisories for CVE-2021-33574 (2)

Mailing List Discussions for CVE-2021-33574 (3)

Other References for CVE-2021-33574 (2)

Same Patch Batch · n/a · 2021-05-25 · 45 CVEs total

CVE-2021-30186 3S-Smart Software Solutions CODESYS Control runtime system 缓冲区错误漏洞
CVE-2021-30192 3S-Smart Software Solutions CODESYS V2 Web-Server 安全漏洞
CVE-2021-30193 3S-Smart Software Solutions CODESYS V2 Web-Server 缓冲区错误漏洞
CVE-2021-30191 3S-Smart Software Solutions CODESYS V2 Web-Server 安全漏洞
CVE-2021-30187 3S-Smart Software Solutions CODESYS Control runtime system 操作系统命令注入漏洞
CVE-2021-20096 OpenOversight 跨站请求伪造漏洞
CVE-2020-9452 Acronis True Image 后置链接漏洞
CVE-2020-9450 Acronis True Image 安全漏洞
CVE-2020-9451 Acronis True Image 安全漏洞
CVE-2021-30189 CODESYS V2 Web-Server 缓冲区错误漏洞
CVE-2021-30194 3S-Smart Software Solutions CODESYS V2 Web-Server 缓冲区错误漏洞
CVE-2021-30188 3S-Smart Software Solutions CODESYS Control runtime system 缓冲区错误漏洞
CVE-2021-30195 3S-Smart Software Solutions CODESYS V2 Web-Server 缓冲区错误漏洞
CVE-2021-29201 多款Hewlett Packard Enterprise产品跨站脚本漏洞
CVE-2021-29202 多款Hewlett Packard Enterprise产品安全漏洞
CVE-2021-29204 多款Hewlett Packard Enterprise产品跨站脚本漏洞
CVE-2021-29205 多款Hewlett Packard Enterprise产品跨站脚本漏洞
CVE-2021-27821 OpenWrt LuCI 跨站脚本漏洞
CVE-2021-33425 OpenWrt LuCI Web接口跨站脚本漏洞
CVE-2021-27823 NetWave System 信息泄露漏洞

Showing top 20 of 45 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2021-33574

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