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TI-2018-15648 Aliases CVE-2018-25423GHSA-mv86-8f26-gw3x

Arm Whois 3.11 Denial of Service via Buffer Overflow

Priority MEDIUM 64CWE-120Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0014 3rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ArmcodeArm Whois3.11—No fix listedCNA
  • Arm Whois VendorArmcode Affected 3.11 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-25423
  2. 2026-10-03 Alias added: GHSA-mv86-8f26-gw3x

References

Exploit 1

Other 2

  • TI-2018-15652 Arm Whois 3.11 Buffer Overflow via SEH Overwrite CVSS 4.0CRITICAL 9.3
  • TI-2018-13780 Adult Filter 1.0 has a Buffer Overflow via a crafted Black Domain List file. CVSS 3.0HIGH 7.8
  • TI-2018-15657 Arm Whois 3.11 Buffer Overflow via ASLR Bypass CVSS 4.0HIGH 8.6
  • TI-2024-01109 Armcode AlienIP Locate Host denial of service CVSS 3.1MEDIUM 5.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences