Main Vulnerability Database Vulnerabilities #VU111715

Input validation error in sslh - #VU111715

Published: June 21, 2025

Vulnerability identifier: #VU111715

CSH Severity: Low

CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: N/A

CWE-ID: CWE-20

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to perform a denial of service attack.

The vulnerability exists due to insufficient validation of undefined syslog data. A local user with ability to generate syslog events can potentially crash the application.

Affected software

sslh
Arch Linux
sslh

Remediation

Install updates from vendor's website.

sslh - update to 2.2.4
sslh - update to 2.2.4-1

External References

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

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