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CVE-2025-62689

Quick assessment

Affected
GNU Project GNU libbmicrohttpd
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 libmicrohttpd是美国GNU社区的一个应用程序。将HTTP服务器作为另一个应用程序的一部分来运行。 GNU libmicrohttpd 1.0.2及之前版本存在安全漏洞，该漏洞源于空指针取消引用，可能导致拒绝服务。

AI Predicted 5.3 Difficulty: Easy EPSS 0.43% · P36

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2025-62689

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
NULL pointer dereference vulnerability exists in GNU libmicrohttpd v1.0.2 and earlier. The vulnerability was fixed in commit ff13abc on the master branch of the libmicrohttpd Git repository, after the v1.0.2 tag. A specially crafted packet sent by an attacker could cause a denial-of-service (DoS) condition.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
GNU libmicrohttpd 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GNU libmicrohttpd是美国GNU社区的一个应用程序。将HTTP服务器作为另一个应用程序的一部分来运行。 GNU libmicrohttpd 1.0.2及之前版本存在安全漏洞，该漏洞源于空指针取消引用，可能导致拒绝服务。
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
GNU Project GNU libbmicrohttpd v1.0.2 and earlier (The vulnerability remains in the source code up until commit ff13abc on the master branch of the libmicrohttpd Git repository -

II. Public POCs for CVE-2025-62689

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III. Intelligence Information for CVE-2025-62689

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IV. Related Vulnerabilities

Same product: GNU libbmicrohttpd
Same vendor: GNU Project
Same weakness: CWE-122

V. Comments for CVE-2025-62689

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