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Windows Server 2019 — KB5073455 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5073455 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5073455 • MSRC update-guide entry Related CVEs: CVE-2026-20822 CVE-2026-20962 CVE-2026-21265 CVE-2026-20804 CVE-2026-20805 CVE-2026-20809 CVE-2026-20812 CVE-2026-20814  +12 more Affected components: Windows Server 2019 (Server Core installation) Microsoft summary: Use after free in Microsoft […]

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How to Install and Configure FreeIPA on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install and Configure FreeIPA on RHEL 9

  • May 7, 2026
  • Linux
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FreeIPA is Red Hat’s integrated Identity, Policy, and Audit solution that bundles a 389 Directory Server (LDAP), MIT Kerberos KDC, a PKI based on Dogtag, and an NTP server behind a unified management interface. It is the upstream project for Red Hat Identity Management (IdM) and is designed to be the authoritative identity source for […]

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Debian 13 — targetcli-fb — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — targetcli-fb — vulnerability — patch and remediation guide

  • May 7, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 7 May 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-13867 Upstream summary: Open-iSCSI targetcli-fb through 2.1.52 has weak permissions for /etc/target (and for the backup directory and backup files). Table of contents Symptom & Impact Environment & Reproduction […]

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Ubuntu 22.04 — clamav — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — clamav — multiple vulnerabilities (14 CVEs) — patch and remediation guide

  • May 7, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 7 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8207-1 Related CVEs: CVE-2026-20031 CVE-2025-20234 CVE-2025-20260 CVE-2024-20505 CVE-2024-20506 https://launchpad.net/bugs/2046581 CVE-2023-20197 CVE-2023-20032  +6 more Upstream summary: It was discovered that ClamAV incorrectly handled certain HTML files. A remote attacker could possibly […]

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Windows Server 2019 — KB5082198 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5082198 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5082198 • MSRC update-guide entry Related CVEs: CVE-2026-32157 CVE-2026-33826 CVE-2026-33827 CVE-2026-33824 CVE-2026-25250 CVE-2026-23670 CVE-2026-26151 CVE-2026-26154  +12 more Affected components: Windows Server 2019 (Server Core installation) Microsoft summary: Use after free in Remote […]

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How to Install PHP 8.3 with PHP-FPM on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Install PHP 8.3 with PHP-FPM on FreeBSD 15

Introduction FreeBSD 15 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install php 8.3 with php-fpm on FreeBSD 15 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 distribution. This […]

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Ubuntu 20.04 — python-marshmallow — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — python-marshmallow — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • May 7, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 7 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8225-1 Related CVEs: CVE-2025-68480 CVE-2018-17175 Upstream summary: Jared Deckard discovered that Python marshmallow did not correctly handle hiding certain fields. An attacker could possibly use this issue to leak sensitive […]

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openSUSE Leap 15.6 — libavif16 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — libavif16 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • May 7, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:02816-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-48174 CVE-2025-48175 Upstream summary: In libavif before 1.3.0, makeRoom in stream.c has an integer overflow and resultant buffer overflow in stream->offset+size. Table of contents […]

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SLES 16 — hwloc — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — hwloc — vulnerability — patch and remediation guide

  • May 7, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 7 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE security advisory Related CVEs: CVE-2022-47022 Upstream summary: An issue was discovered in open-mpi hwloc 2.1.0 allows attackers to cause a denial of service or other unspecified impacts via glibc-cpuset in topology-linux.c. Table of […]

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SLES 16 — libyang2 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — libyang2 — vulnerability — patch and remediation guide

  • May 7, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 7 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2023-26916 Upstream summary: libyang from v2.0.164 to v2.1.30 was discovered to contain a NULL pointer dereference via the function lys_parse_mem at lys_parse_mem.c. Table of contents […]

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