{"id":"OESA-2022-2093","summary":"rubygem-websocket-extensions security update","details":"Generic extension manager for WebSocket connections.\r\n\r\nSecurity Fix(es):\r\n\r\nwebsocket-extensions ruby module prior to 0.1.5 allows Denial of Service (DoS) via Regex Backtracking. The extension parser may take quadratic time when parsing a header containing an unclosed string parameter value whose content is a repeating two-byte sequence of a backslash and some other character. This could be abused by an attacker to conduct Regex Denial Of Service (ReDoS) on a single-threaded server by providing a malicious payload with the Sec-WebSocket-Extensions header.(CVE-2020-7663)","modified":"2025-09-03T06:17:11.772467Z","published":"2022-11-11T11:04:36Z","upstream":["CVE-2020-7663"],"database_specific":{"severity":"High"},"references":[{"type":"ADVISORY","url":"https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-2093"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-7663"}],"affected":[{"package":{"name":"rubygem-websocket-extensions","ecosystem":"openEuler:22.03-LTS","purl":"pkg:rpm/openEuler/rubygem-websocket-extensions&distro=openEuler-22.03-LTS"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.1.2-2.oe2203"}]}],"ecosystem_specific":{"src":["rubygem-websocket-extensions-0.1.2-2.oe2203.src.rpm"],"noarch":["rubygem-websocket-extensions-doc-0.1.2-2.oe2203.noarch.rpm","rubygem-websocket-extensions-0.1.2-2.oe2203.noarch.rpm"]},"database_specific":{"source":"https://repo.openeuler.org/security/data/osv/OESA-2022-2093.json"}}],"schema_version":"1.7.3"}