Debian 12 — nsd — multiple vulnerabilities (4 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2009-1755 CVE-2016-6173 CVE-2019-13207 CVE-2020-28935 Upstream summary: Off-by-one error in the packet_read_query_section function in packet.c in nsd 3.2.1, and process_query_section in query.c in nsd 2.3.7, allows remote attackers to […]