Debian 11 — bird — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2018-12066 CVE-2019-16159 Upstream summary: BIRD Internet Routing Daemon before 1.6.4 allows local users to cause a denial of service (stack consumption and daemon crash) via BGP mask expressions […]