Debian 11 — ruby-doorkeeper — multiple vulnerabilities (5 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2016-6582 CVE-2018-1000088 CVE-2018-1000211 CVE-2020-10187 CVE-2023-34246 Upstream summary: The Doorkeeper gem before 4.2.0 for Ruby might allow remote attackers to conduct replay attacks or revoke arbitrary tokens by leveraging […]