Amazon Linux 2

Amazon Linux 2 — stunnel — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — stunnel — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2018-996 Upstream summary: This update adds the checkHost option to stunnel, which verifies the host of the peer certificate subject. Certificates are accepted if no checkHost option was specified, or […]

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