CVE-2020-27813
golang-websocket - security update
7.5
HIGH
CVSS 3.1
EPSS 0.18%
Description
An attacker can craft malicious WebSocket frames that cause an integer overflow in a variable which tracks the number of bytes remaining. This may cause the server or client to get stuck attempting to read frames in a loop, which can be used as a denial of service vector.
How to fix CVE-2020-27813
To remediate CVE-2020-27813, upgrade the affected package to a fixed version below.
- —upgrade to 1.1.0-1+deb9u1 or later
- —upgrade to 1.4.0-1+deb10u1 or later
- —upgrade to 1.4.1 or later
- —upgrade to 1.4.1 or later
Is CVE-2020-27813 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 1.1.0-1+deb9u1
- from 0, < 1.4.0-1+deb10u1
- from 0, < 1.4.1
- from 0, < 1.4.1
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 |