Description
Arm Whois 3.11 contains a stack-based buffer overflow vulnerability that allows remote attackers to execute arbitrary code by supplying oversized input to the IP address or domain field. Attackers can craft malicious input exceeding 658 bytes with shellcode to overwrite the structured exception handler and gain command execution when the application processes the input.
Published: 2026-06-01
Score: 9.3 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 02 Jun 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 01 Jun 2026 22:45:00 +0000

Type Values Removed Values Added
First Time appeared Armcode
Armcode arm Whois
Vendors & Products Armcode
Armcode arm Whois

Mon, 01 Jun 2026 21:45:00 +0000

Type Values Removed Values Added
Description Arm Whois 3.11 contains a stack-based buffer overflow vulnerability that allows remote attackers to execute arbitrary code by supplying oversized input to the IP address or domain field. Attackers can craft malicious input exceeding 658 bytes with shellcode to overwrite the structured exception handler and gain command execution when the application processes the input.
Title Arm Whois 3.11 Buffer Overflow via SEH Overwrite
Weaknesses CWE-121
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


Subscriptions

Armcode Arm Whois
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-06-02T13:15:13.086Z

Reserved: 2026-05-31T12:54:31.247Z

Link: CVE-2018-25427

cve-icon Vulnrichment

Updated: 2026-06-02T13:15:09.337Z

cve-icon NVD

Status : Deferred

Published: 2026-06-01T22:16:14.693

Modified: 2026-06-02T14:43:49.920

Link: CVE-2018-25427

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-01T23:00:16Z

Weaknesses