CVE-2018-25423: Armcode Arm Whois

Medium severity, CVSS 6.2. EPSS: 0.1% chance of exploitation in the next 30 days.

Arm Whois 3.11 contains a buffer overflow vulnerability that allows local attackers to crash the application by supplying an oversized input string. Attackers can paste a malicious buffer of 700 bytes into the IP address or domain input field to trigger a denial of service condition.

Affected products

• Armcode Arm Whois: version 3.11 only

Published 2026-05-30. Last modified 2026-07-22.