CVE-2018-1000518
websockets is vulnerable to denial of service by memory exhaustion
7.5
HIGH
CVSS 3.1
EPSS 0.17%
Description
aaugustin websockets version 4 contains a CWE-409: Improper Handling of Highly Compressed Data (Data Amplification) vulnerability in Servers and clients, unless configured with compression=None that can result in Denial of Service by memory exhaustion. This attack appear to be exploitable via Sending a specially crafted frame on an established connection. This vulnerability appears to have been fixed in 5.
How to fix CVE-2018-1000518
To remediate CVE-2018-1000518, upgrade the affected package to a fixed version below.
- —upgrade to 5.0 or later
- —upgrade to 5.0 or later
Is CVE-2018-1000518 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- >= 4.0, < 5.0
- from 0, < 5.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |