cve.bz

CVE-2020-27813

7.5 highEPSS 2.2%

High (7.5). EPSS 2.2% chance of exploitation in the next 30 days. Fixed in github.com/gorilla/websocket 1.4.1.

An integer overflow vulnerability exists with the length of websocket frames received via a websocket connection. An attacker would use this flaw to cause a denial of service attack on an HTTP Server allowing websocket connections.

Severity

CVSS 3.1

7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
2.2% chance of exploitation in the next 30 days; higher than 82% of CVEs (scores of 2026-10-31)
CWEs
CWE-190, CWE-400
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-3xh2-74w9-5vxmGogithub.com/gorilla/websocket<1.4.11.4.1
GO-2020-0019Gogithub.com/gorilla/websocket<1.4.11.4.1

References

Check your stackJSON