Package Management

Ubuntu 18.04 — paramiko — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — paramiko — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 May 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5351-1 Related CVEs: CVE-2022-24302 CVE-2018-1000805 Upstream summary: Jan Schejbal discovered that Paramiko incorrectly handled permissions when writing private key files. A local attacker could possibly use this issue to gain […]

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Alpine Linux edge — gdk-pixbuf — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — gdk-pixbuf — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 2.42.8-r0 📖 ~4 min read  •  Source: Alpine secdb entry — gdk-pixbuf 2.42.8-r0 Related CVEs: CVE-2021-44648 CVE-2020-29385 CVE-2022-48622 CVE-2017-6311 CVE-2017-6312 CVE-2017-6314 Upstream summary: Alpine community repository for vedge ships gdk-pixbuf 2.42.8-r0 which addresses CVE-2021-44648. Table of […]

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Ubuntu 14.04 — snapd — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — snapd — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 30 May 2022 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5292-4 Related CVEs: https://bugs.launchpad.net/ubuntu/+source/snapd/+bug/1961365 https://bugs.launchpad.net/ubuntu/+source/snapd/+bug/1961791 CVE-2021-3155 CVE-2021-4120 CVE-2021-44730 CVE-2021-44731 CVE-2019-7303 https://launchpad.net/bugs/1812973  +2 more Upstream summary: USN-5292-1 fixed a vulnerability in snapd. Unfortunately that update introduced a regression that could break […]

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How to Apply CIS Benchmark Hardening to Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Apply CIS Benchmark Hardening to Debian 11

Introduction This guide explains how to Apply CIS Benchmark Hardening to Debian 11 on Debian 11 Bullseye. Debian Bullseye uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 11 install with the […]

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Oracle Linux 8 — php:8.0 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — php:8.0 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2022-7624)

🟡 Medium   ⏱ 10–30 min  Last verified: 29 May 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-7624 Related CVEs: CVE-2021-21708 CVE-2022-31625 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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How to Configure OpenLDAP Server on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Configure OpenLDAP Server on IBM AIX 7.3

Introduction IBM AIX 7.3 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure openldap server on IBM AIX 7.3 with practical […]

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AlmaLinux 8 — unzip — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — unzip — 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-2022:2098 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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Debian 11 — golang-github-microcosm-cc-bluemonday — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — golang-github-microcosm-cc-bluemonday — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-42576 Upstream summary: The bluemonday sanitizer before 1.0.16 for Go, and before 0.0.8 for Python (in pybluemonday), does not properly enforce policies associated with the SELECT, STYLE, and […]

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FreeBSD 13 — ipsec-tools — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — ipsec-tools — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 29 May 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ipsec-tools — remotely exploitable computational-complexity attack Related CVEs: CVE-2008-3651 CVE-2008-3652 CVE-2016-10396 Upstream summary: Robert Foggia via NetBSD GNATS reports: The ipsec-tools racoon daemon contains a remotely exploitable computational complexity attack […]

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Debian 11 — wheel — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — wheel — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-40898 Upstream summary: An issue discovered in Python Packaging Authority (PyPA) Wheel 0.37.1 and earlier allows remote attackers to cause a denial of service via attacker controlled input […]

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