High severity7.5NVD Advisory· Published Dec 2, 2020· Updated Jun 17, 2026
CVE-2020-27813
CVE-2020-27813
Description
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/gorilla/websocketGo | < 1.4.1 | 1.4.1 |
Affected products
3Patches
Vulnerability mechanics
References
9- bugzilla.redhat.com/show_bug.cginvdIssue TrackingThird Party AdvisoryWEB
- github.com/advisories/GHSA-3xh2-74w9-5vxmghsaADVISORY
- github.com/gorilla/websocket/security/advisories/GHSA-jf24-p9p9-4rjhnvdThird Party AdvisoryWEB
- lists.debian.org/debian-lts-announce/2021/01/msg00008.htmlnvdMailing ListThird Party AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2020-27813ghsaADVISORY
- github.com/gorilla/websocket/commit/5b740c29263eb386f33f265561c8262522f19d37ghsaWEB
- github.com/gorilla/websocket/pull/537ghsaWEB
- pkg.go.dev/vuln/GO-2020-0019ghsaWEB
- lists.debian.org/debian-lts-announce/2023/05/msg00012.htmlnvd
News mentions
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