CVE catalog
CVE-2020-27813
golang-github-gorilla-websocket: CVE-2020-27813
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 2.15% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | golang-github-gorilla-websocket | sid | 1.5.3-2 | not affected |
| Debian | golang-github-gorilla-websocket | forky | 1.5.3-2 | not affected |
| Debian | golang-github-gorilla-websocket | trixie | 1.5.3-1 | not affected |
| Debian | golang-github-gorilla-websocket | bookworm | 1.5.0-2 | not affected |
| Ubuntu | golang-websocket | pro | 1.2.0-1ubuntu1 | vulnerable |
| Ubuntu | golang-websocket | pro | 1.2.0-1ubuntu2 | vulnerable |
| Ubuntu | golang-websocket | pro | 1.2.0-1ubuntu2+esm1 | fixed |
| Ubuntu | golang-websocket | pro | 1.2.0-1ubuntu1 | vulnerable |
| Ubuntu | golang-websocket | pro | 1.2.0-1ubuntu2 | vulnerable |
| Ubuntu | golang-websocket | pro | 1.2.0-1ubuntu2+esm1 | fixed |
| Ubuntu | golang-websocket | 20.04 | 1.4.0-1 | vulnerable |
| Ubuntu | golang-websocket | 22.04 | 1.4.0-1 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | golang-github-gorilla-websocket | source | sid | Not affected | unimportant | Not reported | Not reported |
| Debian | golang-github-gorilla-websocket | source | forky | Not affected | unimportant | Not reported | Not reported |
| Debian | golang-github-gorilla-websocket | source | trixie | Not affected | unimportant | Not reported | Not reported |
| Debian | golang-github-gorilla-websocket | source | bookworm | Not affected | unimportant | Not reported | Not reported |
| Ubuntu | golang-websocket | deb | pro | 1.2.0-1ubuntu2+esm1 | Not reported | USN-6208-1 | Not reported |
| Ubuntu | golang-websocket | deb | pro | 1.2.0-1ubuntu2+esm1 | Not reported | UBUNTU-CVE-2020-27813 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [golang-github-gorilla-websocket-dev]Not affected
Source package: [golang-github-gorilla-websocket]
Details (2)
1.5.0-2· all · bookwormNot affected
dsa · golang-github-gorilla-websocket · debian · bookworm
1.5.0-2· all · bookwormNot affected
dsa · golang-github-gorilla-websocket · debian · bookworm
Observed:
References
- [https://osv.dev/vulnerability/DLA-2520-1]
- [https://osv.dev/vulnerability/DLA-3420-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2020-27813]
- [https://osv.dev/vulnerability/USN-6208-1]
- [https://security-tracker.debian.org/tracker/CVE-2020-27813]
- [https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-27813.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2022/wid-sec-w-2022-0510.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]