Package Management

Oracle Linux 8 — httpd:2.4/httpd — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — httpd:2.4/httpd — vulnerability — patch and remediation guide (ELSA-2024-4197)

🟡 Medium   ⏱ 10–30 min  Last verified: 5 January 2024 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-4197 Related CVEs: CVE-2023-38709 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Gentoo Linux — dev-java/openjdk-bin — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-java/openjdk-bin — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202412-07 Related CVEs: CVE-2023-22006 CVE-2023-22025 CVE-2023-22036 CVE-2023-22041 CVE-2023-22044 CVE-2023-22045 CVE-2023-22049 CVE-2023-22067  +12 more Upstream summary: Multiple vulnerabilities have been discovered in OpenJDK. Please review the CVE identifiers referenced below for details. Table […]

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How to Set Up Podman on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Set Up Podman on CentOS Stream 9

Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying set up podman on centos stream 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up Podman on CentOS Stream 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]

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NetBSD 9.4 — pan — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — pan — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2008-2363 Upstream summary: pkgsrc audit-packages flagged pan<0.13.4 for vulnerability class 'denial-of-service'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0855 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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How to Use zrepl for ZFS Replication on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Use zrepl for ZFS Replication on FreeBSD 14

Introduction FreeBSD 14 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up use zrepl for zfs replication on freebsd 14 on FreeBSD 14 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 […]

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NetBSD 9.4 — knc — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — knc — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2017-9732 Upstream summary: pkgsrc audit-packages flagged knc<1.11.1 for vulnerability class 'denial-of-service'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2017-9732 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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How to Install OpenVPN on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Install OpenVPN on FreeBSD 14

Introduction How to Install OpenVPN on FreeBSD 14 is a core administration task for any FreeBSD 14 server operator. FreeBSD 14 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet filtering, and […]

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Amazon Linux 2023 — python-crypto — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — python-crypto — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2025-1051 Related CVEs: CVE-2018-6594 Upstream summary: lib/Crypto/PublicKey/ElGamal.py in PyCrypto through 2.6.1 generates weak ElGamal key parameters, which allows attackers to obtain sensitive information by reading ciphertext data (i.e., it does […]

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FreeBSD 14 — id3lib — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — id3lib — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 January 2024 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: id3lib — insecure temporary file creation Related CVEs: CVE-2007-4460 Upstream summary: Debian Bug report log reports: When tagging file $foo, a temporary copy of the file is created, and for […]

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