CVE-2018-25021

PoC —

CVSS 3.1

7.5 high

EPSS

2%p82

Published

Dec 13, 2021 (Dec 13, 2021)

Modified

Jun 17, 2026

Description

The TCP Server module in toxcore before 0.2.8 doesn't free the TCP priority queue under certain conditions, which allows a remote attacker to exhaust the system's memory, causing a denial of service (DoS).

Vendors: toktok
Products: toxcore
Weakness: CWE-404
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (2.3%)

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