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.

Attack Vector Local

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Armcode Arm Whois affected
Version Status Constraints
3.11 affected —

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
http://www.armcode.com/ cve-icon cve-icon
http://www.armcode.com/downloads/arm-whois.exe cve-icon cve-icon
https://www.exploit-db.com/exploits/45762 cve-icon cve-icon
https://www.vulncheck.com/advisories/arm-whois-denial-of-service-via-buffer-overflow cve-icon cve-icon
History

Sat, 30 May 2026 15:30:00 +0000

Type Values Removed Values Added
Description 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.
Title Arm Whois 3.11 Denial of Service via Buffer Overflow
Weaknesses CWE-120
References
Metrics cvssV3_1

{'score': 6.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-05-30T14:55:26.966Z

Reserved: 2026-05-30T14:21:40.030Z

Link: CVE-2018-25423

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-05-30T16:17:03.577

Modified: 2026-05-30T16:17:03.577

Link: CVE-2018-25423

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-30T16:30:27Z

Weaknesses