CVE-2017-9544

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

There is a remote stack-based buffer overflow (SEH) in register.ghp in EFS Software Easy Chat Server versions 2.0 to 3.1. By sending an overly long username string to registresult.htm for registering the user, an attacker may be able to execute arbitrary code.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jun 12, 2017
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2017-9544: Critical severity, CVSS 9.8 | Vulnix