VULNERABILITY INTELLIGENCE

CVE-2018-25021

CVSS score7.5 HIGH
EPSS probability2.34%
CISA KEVNot currently listed
Published2021-12-13
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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).

Weakness classification

  • nvd@nist.gov: CWE-404

Primary references