CVE-2020-27813

Summary

CVECVE-2020-27813
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-12-02 01:15:00 UTC
Updated2023-11-07 03:21:00 UTC
DescriptionAn 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.

Risk And Classification

Problem Types: CWE-190 | CWE-400

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 9.0 All All All
Operating System Debian Debian Linux 9.0 All All All
Application Gorillatoolkit Websocket All All All All
Application Gorillatoolkit Websocket All All All All

References

ReferenceSourceLinkTags
Potential DoS Vector in gorilla/websocket <= v1.4.0 · Advisory · gorilla/websocket · GitHub MISC github.com Third Party Advisory
[SECURITY] [DLA 3420-1] golang-websocket security update MLIST lists.debian.org
[SECURITY] [DLA 2520-1] golang-websocket security update MLIST lists.debian.org Mailing List, Third Party Advisory
1902111 – (CVE-2020-27813) CVE-2020-27813 golang-github-gorilla-websocket: integer overflow leads to denial of service MISC bugzilla.redhat.com Issue Tracking, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 181782 Debian Security Update for golang-websocket (DLA 3420-1)
  • 199551 Ubuntu Security Notification for Gorilla WebSocket Vulnerability (USN-6208-1)
  • 239199 Red Hat Update for OpenShift Container Platform 3.11.404 (RHSA-2021:0833)
  • 982546 Go (go) Security Update for github.com/gorilla/websocket (GHSA-3xh2-74w9-5vxm)

© CVE.report 2026

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report