Security Hardening

Red Hat Enterprise Linux 10 — rh-podman-desktop — vulnerability — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 10

Red Hat Enterprise Linux 10 — rh-podman-desktop — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 10 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:13867 Related CVEs: CVE-2026-34045 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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Ubuntu 18.04 — squid3 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — squid3 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7804-2 Related CVEs: CVE-2025-59362 CVE-2025-62168 CVE-2024-37894 CVE-2021-28651 CVE-2022-41318 CVE-2023-49285 CVE-2023-49286 CVE-2023-50269  +12 more Upstream summary: USN-7804-1 fixed a vulnerability in Squid. This update provides the corresponding update for Ubuntu 16.04 […]

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SLES 16 — rpm — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — rpm — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2019:695-1 (see also SUSE bugzilla) Related CVEs: CVE-2017-7500 CVE-2021-3421 CVE-2021-3521 CVE-2021-35938 CVE-2021-35939 CVE-2021-20266 CVE-2021-20271 Upstream summary: It was found that rpm did not properly handle RPM installations when a destination path was […]

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SLES 15 — libX11 — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libX11 — multiple vulnerabilities (16 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:2092-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-3138 CVE-2021-31535 CVE-2018-14600 CVE-2020-14363 CVE-2025-26597 CVE-2023-43785 CVE-2023-43786 CVE-2023-43787  +8 more Upstream summary: A vulnerability was found in libX11. The security flaw occurs because the functions […]

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openSUSE Tumbleweed — libcaca0 — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libcaca0 — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2022:0769-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-30499 CVE-2021-30498 CVE-2026-42046 CVE-2018-20547 CVE-2022-0856 CVE-2021-3410 CVE-2018-20548 CVE-2018-20544  +3 more Upstream summary: A flaw was found in libcaca. A buffer overflow of export.c in function […]

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

SLES 16 — yelp — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory RHSA-2025:7430 (see also SUSE bugzilla) Related CVEs: CVE-2025-3155 Upstream summary: A flaw was found in Yelp. The Gnome user help application allows the help document to execute arbitrary scripts. This vulnerability allows […]

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SLES 15 — libheif1 — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libheif1 — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2024:3960-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-41311 CVE-2023-0996 CVE-2025-68431 CVE-2023-49460 CVE-2023-49462 CVE-2023-49463 CVE-2023-49464 CVE-2020-23109  +2 more Upstream summary: In Libheif 1.17.6, insufficient checks in ImageOverlay::parse() decoding a heif file containing an […]

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Oracle Linux 10 — golang — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — golang — vulnerability — patch and remediation guide (ELSA-2026-10217)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-10217 Related CVEs: CVE-2026-27140 CVE-2026-27143 CVE-2026-27144 CVE-2026-32280 CVE-2026-32282 CVE-2026-32283 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Windows Server 2019 — KB5063877 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5063877 — 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 KB5063877 • MSRC update-guide entry Related CVEs: CVE-2025-50177 CVE-2025-53766 CVE-2025-53778 CVE-2025-49751 CVE-2025-49743 CVE-2025-49761 CVE-2025-49762 CVE-2025-50153  +12 more Affected components: Windows Server 2019 (Server Core installation) Microsoft summary: Use after free in Windows […]

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How to Configure PostgreSQL Point-in-Time Recovery on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Configure PostgreSQL Point-in-Time Recovery on FreeBSD 15

Introduction This guide explains how to Configure PostgreSQL Point-in-Time Recovery on FreeBSD 15 on FreeBSD 15. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained […]

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