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CVE-2019-14834

Quick assessment

Affected
The Dnsmasq Project dnsmasq
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.

dnsmasq是一款使用C语言编写的轻量级DNS转发和DHCP、TFTP服务器。 dnsmasq 2.81之前版本中存在资源管理错误漏洞。该漏洞源于网络系统或产品对系统资源（如内存、磁盘空间、文件等）的管理不当。

AI Predicted 7.5 Difficulty: Easy EPSS 2.65% · P85
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I. Basic Information for CVE-2019-14834

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in dnsmasq before version 2.81, where the memory leak allows remote attackers to cause a denial of service (memory consumption) via vectors involving DHCP response creation.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5
Vulnerability Title
dnsmasq 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
dnsmasq是一款使用C语言编写的轻量级DNS转发和DHCP、TFTP服务器。 dnsmasq 2.81之前版本中存在资源管理错误漏洞。该漏洞源于网络系统或产品对系统资源（如内存、磁盘空间、文件等）的管理不当。
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
The Dnsmasq Project dnsmasq before 2.81 -

II. Public POCs for CVE-2019-14834

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III. Intelligence Information for CVE-2019-14834

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Vendor Advisories for CVE-2019-14834 (1)

Mailing List Discussions for CVE-2019-14834 (1)

Other References for CVE-2019-14834 (1)

IV. Related Vulnerabilities

Same product: dnsmasq
Same weakness: CWE-770

V. Comments for CVE-2019-14834

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