January 2023 - Page 57 of 72

Debian 11 — tightvnc — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — tightvnc — multiple vulnerabilities (10 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-2002-1336 CVE-2014-6053 CVE-2018-20021 CVE-2018-20022 CVE-2018-7225 CVE-2019-15678 CVE-2019-15679 CVE-2019-15680  +2 more Upstream summary: TightVNC before 1.2.6 generates the same challenge string for multiple connections, which allows remote attackers to […]

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Debian 11 — flightcrew — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — flightcrew — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-13032 CVE-2019-13241 Upstream summary: An issue was discovered in FlightCrew v0.9.2 and earlier. A NULL pointer dereference occurs in GetRelativePathToNcx() or GetRelativePathsToXhtmlDocuments() when a NULL pointer is passed […]

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How To Install and Secure Redis on CentOS 8 — step-by-step Linux tutorial on Progressive Robot

How To Install and Secure Redis on CentOS 8

This tutorial provides instructions for installing Redis on a CentOS 8 server and using its built-in security features, in coordination with some other security configurations, to keep it from being accessed by unauthorized users.

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How to Configure Postfix Mail Server on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Configure Postfix Mail Server on FreeBSD 12

Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up configure postfix mail server on freebsd 12 on FreeBSD 12 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux […]

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