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.
https://lists.debian.org/debian-lts-announce/2021/01/msg00008.html
https://github.com/gorilla/websocket/security/advisories/GHSA-jf24-p9p9-4rjh
https://bugzilla.redhat.com/show_bug.cgi?id=1902111
https://lists.debian.org/debian-lts-announce/2023/05/msg00012.html
Source: Mitre, NVD
Published: 2020-12-02
Updated: 2023-11-07
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity: High
EPSS: 0.00177