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CVE-2025-46807— File Descriptor Exhaustion in sslh-select and sslh-ev triggers SEGFAULT

Quick assessment

Affected
https://github.com/yrutschle/sslh/releases/tag/v2.2.4 sslh
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.

sslh是Yves Rutschle个人开发者的一个应用协议多路复用器。 sslh 2.2.4之前版本存在安全漏洞，该漏洞源于资源分配无限制，可能导致文件描述符耗尽和拒绝服务。

AI Predicted 7.5 Difficulty: Trivial EPSS 0.43% · P35

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2025-46807

Vulnerability Information
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Vulnerability Title
File Descriptor Exhaustion in sslh-select and sslh-ev triggers SEGFAULT
Source: CVE Program / CVE List V5
Vulnerability Description
A Allocation of Resources Without Limits or Throttling vulnerability in sslh allows attackers to easily exhaust the file descriptors in sslh and deny legitimate users service.This issue affects sslh before 2.2.4.
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
不加限制或调节的资源分配
Source: CVE Program / CVE List V5
Vulnerability Title
sslh 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
sslh是Yves Rutschle个人开发者的一个应用协议多路复用器。 sslh 2.2.4之前版本存在安全漏洞，该漏洞源于资源分配无限制，可能导致文件描述符耗尽和拒绝服务。
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
https://github.com/yrutschle/sslh/releases/tag/v2.2.4 sslh ? ~ 2.2.4 -

II. Public POCs for CVE-2025-46807

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III. Intelligence Information for CVE-2025-46807

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IV. Related Vulnerabilities

Same product: sslh
Same vendor: https://github.com/yrutschle/sslh/releases/tag/v2.2.4
Same weakness: CWE-770

V. Comments for CVE-2025-46807

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