NetBSD 9.4 — stunnel — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read • Source: pkgsrc audit-packages entry Related CVEs: CVE-2008-2420 CVE-2021-20230 Upstream summary: pkgsrc audit-packages flagged stunnel<3.22 for vulnerability class 'remote-user-shell'. Reference: http://www.stunnel.org/patches/desc/formatbug_ml.html Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]