Debian 11 — libssh — multiple vulnerabilities (20 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2012-4559 CVE-2012-4560 CVE-2012-4561 CVE-2012-4562 CVE-2012-6063 CVE-2013-0176 CVE-2014-0017 CVE-2014-8132 +12 more Upstream summary: Multiple double free vulnerabilities in the (1) agent_sign_data function in agent.c, (2) channel_request function in channels.c, […]