CVEvulnerability
CVE-2018-25021
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-12-13
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-404
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).
Affected configurations
• toktok toxcore (< 0.2.8)
Related
Weakness · CWE (1)
- CWE-404 Improper Resource Shutdown or Release weakness
References
- https://blog.tox.chat/2018/10/memory-leak-bug-and-new-toxcore-release-fixing-it/ Third Party Advisory
- https://github.com/TokTok/c-toxcore/issues/1214 Exploit, Third Party Advisory
- https://github.com/TokTok/c-toxcore/pull/1216 Third Party Advisory
- https://blog.tox.chat/2018/10/memory-leak-bug-and-new-toxcore-release-fixing-it/ Third Party Advisory
- https://github.com/TokTok/c-toxcore/issues/1214 Exploit, Third Party Advisory
- https://github.com/TokTok/c-toxcore/pull/1216 Third Party Advisory