CVE-2018-25021
HIGH
7.5
CVSS Score
Published: December 13, 2021 at 12:53 AM UTC
Updated: June 17, 2026 at 01:54 AM UTC
1 product affected across 1 vendorToxcore
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Severity
HIGH7.5
Exploit prediction
EPSS 2%
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).
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (3)
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://blog.tox.chat/2018/10/memory-leak-bug-and-new-toxcore-release-fixing-it/x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://github.com/TokTok/c-toxcore/issues/1214x_refsource_MISCThird Party Advisory
Source: [email protected]
https://github.com/TokTok/c-toxcore/pull/1216CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-404
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