CVE-2018-25423: Arm Whois 3.11 Denial of Service via Buffer Overflow

Published May 30, 2026
·
Updated

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 Software

1 affected component
Arm Arm Whois=3.11

Event History

May 30, 2026
CVE Published
via MITRE·02:55 PM
Data Sourced
via MITRE·02:55 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·04:17 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2018-25423?

The severity of CVE-2018-25423 is rated as medium with a score of 6.2.

2

What type of vulnerability is CVE-2018-25423?

CVE-2018-25423 is a buffer overflow vulnerability that may lead to a denial of service.

3

How can CVE-2018-25423 be exploited?

CVE-2018-25423 can be exploited by local attackers supplying an oversized input string of 700 bytes in the IP address or domain input field.

4

How do I fix CVE-2018-25423?

To fix CVE-2018-25423, ensure you are using an updated version of Arm Whois that addresses the buffer overflow issue.

5

What impact does CVE-2018-25423 have on the application?

CVE-2018-25423 can cause Arm Whois 3.11 to crash, resulting in a denial of service condition.

Contact

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