Debian 13 — nagios4 — multiple vulnerabilities (6 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2018-13441 CVE-2018-13457 CVE-2018-13458 CVE-2018-18245 CVE-2020-13977 CVE-2020-35269 Upstream summary: qh_help in Nagios Core version 4.4.1 and earlier is prone to a NULL pointer dereference vulnerability, which allows attacker to […]