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CVE-2021-3326

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 (aka glibc or libc6) 2.32 and earlier 存在安全漏洞，该漏洞源于代码路径中断言失败并中止程序，导致拒绝服务。

AI Predicted 5.5 Difficulty: Trivial EPSS 3.09% · P87

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-3326

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The iconv function in the GNU C Library (aka glibc or libc6) 2.32 and earlier, when processing invalid input sequences in the ISO-2022-JP-3 encoding, fails an assertion in the code path and aborts the program, potentially resulting in a denial of service.
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 安全漏洞
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 (aka glibc or libc6) 2.32 and earlier 存在安全漏洞，该漏洞源于代码路径中断言失败并中止程序，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-2021-3326

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-3326

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Vendor Advisories for CVE-2021-3326 (4)

Mailing List Discussions for CVE-2021-3326 (2)

Other References for CVE-2021-3326 (2)

Same Patch Batch · n/a · 2021-01-27 · 20 CVEs total

CVE-2021-25311 HTCondor 路径遍历漏洞
CVE-2021-3331 WinSCP 安全漏洞
CVE-2021-26276 GoDaddy Node-config-shield 安全漏洞
CVE-2021-22637 Fuji Electric Tellus Lite V-Simulator 和 Fuji Electric V-Server Lite 缓冲区错误漏洞
CVE-2021-22655 Fuji Electric Tellus Lite V-Simulator 和 Fuji Electric V-Server Lite 缓冲区错误漏洞
CVE-2021-22639 Fuji Electric Tellus Lite V-Simulator 和 Fuji Electric V-Server Lite 缓冲区错误漏洞
CVE-2021-22641 Fuji Electric Tellus Lite V-Simulator和Fuji Electric V-Server Lite 缓冲区错误漏洞
CVE-2021-22653 Fuji Electric Tellus Lite V-Simulator 和 Fuji Electric V-Server Lite 缓冲区错误漏洞
CVE-2021-3325 Monitorix 安全漏洞
CVE-2021-3318 DzzOffice 跨站脚本漏洞
CVE-2021-3272 JasPer 缓冲区错误漏洞
CVE-2021-25312 HTCondor 访问控制错误漏洞
CVE-2020-23361 PhpList 安全漏洞
CVE-2020-23360 osCommerce 安全漏洞
CVE-2020-23359 WeBid 安全漏洞
CVE-2020-23356 Dignajar Nibbleblog 授权问题漏洞
CVE-2020-23355 Codiad 授权问题漏洞
CVE-2020-23352 Z-BlogPHP 安全漏洞
CVE-2020-36012 BDTASK Multi-Store Inventory Management System 跨站脚本漏洞

IV. Related Vulnerabilities

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

V. Comments for CVE-2021-3326

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