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VULNERABILITIES

CVE-2018-25021 Details

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).

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://blog.tox.chat/2018/10/memory-leak-bug-and-new-toxcore-release-fixing-it/ CVEThird Party Advisory
https://github.com/TokTok/c-toxcore/issues/1214 CVEExploitThird Party Advisory
https://github.com/TokTok/c-toxcore/pull/1216 CVEThird Party Advisory
https://blog.tox.chat/2018/10/memory-leak-bug-and-new-toxcore-release-fixing-it/ [email protected]Third Party Advisory
https://github.com/TokTok/c-toxcore/issues/1214 [email protected]ExploitThird Party Advisory

see all 6 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-404Improper Resource Shutdown or Release[email protected]

Affected Products

ProductVersions
toktok toxcore
< 0.2.8

CPE

  • cpe:2.3:a:toktok:toxcore:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2018-25021
NVD Published Date:
Dec 13, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2018-25021 Details - Not Deferred