Operations

Amazon Linux 2 — python-rsa — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — python-rsa — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2023-2150 Related CVEs: CVE-2020-25658 CVE-2020-13757 Upstream summary: A flaw was found in python-rsa, where it is vulnerable to Bleichenbacher timing attacks. This flaw allows an attacker, via the RSA decryption […]

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Oracle Linux 8 — virt:ol and virt-devel:rhel security and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — virt:ol and virt-devel:rhel security and — enhancement update — new behaviour and fixes (ELSA-2024-2962)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 June 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-2962 Related CVEs: CVE-2023-3255 CVE-2023-5088 CVE-2023-6683 CVE-2023-6693 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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How to Configure Redis Cluster on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Configure Redis Cluster on SLES 12

Introduction This tutorial covers How to Configure Redis Cluster on SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 12 system is up to date: zypper refresh […]

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FreeBSD 13 — ImageMagick6-nox — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — ImageMagick6-nox — multiple vulnerabilities (17 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 June 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ImageMagick6 — multiple vulnerabilities Related CVEs: CVE-2019-10131 CVE-2019-10649 CVE-2019-10650 CVE-2019-10714 CVE-2019-11470 CVE-2019-11472 CVE-2019-11597 CVE-2019-11598  +9 more Upstream summary: CVE reports: Several vulnerabilities have been discovered in ImageMagick: CVE-2021-20309: A flaw […]

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FreeBSD 13 — lynx-ssl — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — lynx-ssl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 June 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: lynx — remote buffer overflow Related CVEs: CVE-2005-3120 Upstream summary: Ulf Härnhammar reports: When Lynx connects to an NNTP server to fetch information about the available articles in a newsgroup, […]

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Ubuntu 14.04 — httpcomponents-client — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — httpcomponents-client — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 June 2021 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5239-1 Related CVEs: CVE-2020-13956 Upstream summary: It was discovered that HttpClient mishandled certain input. An attacker could use this vulnerability to cause a crash or possibly execute arbitrary code. Table […]

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How to Configure GitHub Actions Self-Hosted Runner on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure GitHub Actions Self-Hosted Runner on FreeBSD 13

Introduction This guide explains how to Configure GitHub Actions Self-Hosted Runner on FreeBSD 13 on FreeBSD 13. 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 […]

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AlmaLinux 8 — evolution-ews — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — evolution-ews — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2021:4180 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Oracle Linux 8 — mysql:8.0 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — mysql:8.0 — vulnerability — patch and remediation guide (ELSA-2020-3732)

🟠 High   ⏱ 15–60 min  Last verified: 25 June 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-3732 Related CVEs: CVE-2019-3004 CVE-2019-3009 CVE-2020-2893 CVE-2020-2925 CVE-2020-14619 CVE-2020-2577 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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