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Medium · 5.5 CVE-2021-47765 EUVD-2026-2772GHSA-chp4-5883-3f2x

AbsoluteTelnet 11.24 - 'Username' Denial of Service (PoC)

Published Jan 15, 2026 · Updated Oct 1, 2026 · Assigned by VulnCheck

Description

AbsoluteTelnet 11.24 contains a denial of service vulnerability that allows local attackers to crash the application by manipulating username and error report fields. Attackers can trigger the crash by inserting 1000 characters into the username or email address fields, causing the application to become unresponsive.

Affected products

VendorProductAffectedFixed
Celestialsoftware AbsoluteTelnet 11.24 —

References