#VU109600 Resource exhaustion in dnsdist - CVE-2025-30193

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Main Vulnerability Database Vulnerabilities #VU109600

#VU109600 Resource exhaustion in dnsdist - CVE-2025-30193

Published: May 21, 2025


Vulnerability identifier: #VU109600
Vulnerability risk: Medium
CVSSv4.0: 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/E:U/U:Green
CVE-ID: CVE-2025-30193
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
dnsdist
Software vendor:
PowerDNS.COM B.V.

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of incoming TCP connections from the client. A remote attacker can initiate a crafted TCP exchange and perform a denial of service (DoS) attack through stack exhaustion.


Remediation

Install update from vendor's website.

External links