Logging Monitoring

AlmaLinux 9 — libguestfs-winsupport — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — libguestfs-winsupport — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2023:2179 Related CVEs: CVE-2021-46790 CVE-2022-30784 CVE-2022-30786 CVE-2022-30788 CVE-2022-30789 CVE-2022-40284 Upstream summary: The libguestfs-winsupport package adds support for Windows guests to libguestfs, a set of tools and libraries allowing users to access and […]

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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: 7 January 2023 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: 7 January 2023 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 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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Gentoo Linux — dev-java/bcel — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-java/bcel — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202405-16 Related CVEs: CVE-2022-34169 CVE-2022-42920 Upstream summary: A vulnerability has been discovered in U-Boot tools. Please review the CVE identifier referenced below for details. Table of contents Symptom & Impact Environment & […]

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IBM AIX 7.3 — CVE-2002-1621 — buffer overflow — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2002-1621 — buffer overflow — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 7 January 2023 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2002-1621, IBM Support Bulletin CVE: CVE-2002-1621 NVD summary: Buffer overflow in the file_comp function in rcp for IBM AIX 4.3.x and 5.1 allows remote attackers to execute arbitrary code. References: www-1.ibm.com/support/search.wss?rs=0&q=IY26503&   […]

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Debian 11 — graphicsmagick — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — graphicsmagick — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 7 January 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-0981 CVE-2005-0397 CVE-2005-4601 CVE-2006-3743 CVE-2006-3744 CVE-2006-4144 CVE-2006-5456 CVE-2007-0770  +12 more Upstream summary: Buffer overflow in the EXIF parsing routine in ImageMagick before 6.1.0 allows remote attackers to execute […]

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How to Configure PowerShell Just Enough Administration (JEA) on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure PowerShell Just Enough Administration (JEA) on Windows Server 2022

What is Just Enough Administration (JEA)? Just Enough Administration (JEA) is a PowerShell security technology built into Windows Server 2022 that enables role-based access control for administrative tasks. Rather than granting users full administrator rights to perform specific jobs, JEA creates constrained PowerShell remoting endpoints where users can only run a pre-approved set of cmdlets […]

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