CVE-2018-25021
7.5
HIGH
CVSS 3.1
EPSS 2.3%
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).
How to fix CVE-2018-25021
To remediate CVE-2018-25021, upgrade the affected package to a fixed version below.
- Debian/libtoxcore—upgrade to 0.2.8-1 or later
Is CVE-2018-25021 being exploited?
Low — EPSS is 2.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 0.2.8-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |