CVE-2018-25021

HIGH

toxcore < 0.2.8 - Denial of Service via TCP Priority Queue Memory Leak

Title source: llm
STIX 2.1

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).

References (3)

Core 3
Core References
Exploit, Third Party Advisory x_refsource_misc
https://github.com/TokTok/c-toxcore/issues/1214
Third Party Advisory x_refsource_misc
https://github.com/TokTok/c-toxcore/pull/1216

Scores

CVSS v3 7.5
EPSS 0.0227
EPSS Percentile 80.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-404
Status published
Products (1)
toktok/toxcore < 0.2.8
Published Dec 13, 2021
Tracked Since Feb 18, 2026