{"id":"CVE-2020-27813","details":"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.","aliases":["GHSA-3xh2-74w9-5vxm","GHSA-jf24-p9p9-4rjh","GO-2020-0019"],"modified":"2026-07-07T08:51:36.950226589Z","published":"2020-12-02T01:15:12.780Z","database_specific":{"unresolved_ranges":[{"vendor_product":"debian:debian_linux","cpes":["cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"9.0"},{"last_affected":"9.0"}],"source":"CPE_STRING"}]},"references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2023/05/msg00012.html"},{"type":"ADVISORY","url":"https://github.com/gorilla/websocket/security/advisories/GHSA-jf24-p9p9-4rjh"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/01/msg00008.html"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1902111"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/gorilla/websocket","events":[{"introduced":"0"},{"fixed":"c3e18be99d19e6b3e8f1559eea2c161a665c4b6b"}],"database_specific":{"source":"CPE_RANGE","cpe":"cpe:2.3:a:gorillatoolkit:websocket:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"1.4.1"}]}}],"versions":["v1.4.0","v1.3.0","v1.2.0","v1.1.0","v1.0.0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-27813.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}