SLES 15 — ruby2.5-rubygem-websocket-extensions — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2023:0127-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-7663 Upstream summary: websocket-extensions ruby module prior to 0.1.5 allows Denial of Service (DoS) via Regex Backtracking. The extension parser may take quadratic time when […]