Linux

Oracle Linux 8 — container-tools:ol8 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — container-tools:ol8 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2020-1650)

  • December 31, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 31 December 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-1650 Related CVEs: CVE-2020-1726 CVE-2019-19921 CVE-2020-1702 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 Secure Nginx with Let's Encrypt on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Secure Nginx with Let’s Encrypt on CentOS Stream 9

  • December 31, 2021
  • CentOS
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Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying secure nginx with let’s encrypt on centos stream 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Secure Nginx with Let’s Encrypt on CentOS Stream 9, including dnf module streams where applicable, systemd unit management, and the […]

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Debian 11 — neon27 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — neon27 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • December 31, 2021
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 31 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-3746 CVE-2009-2474 Upstream summary: neon 0.28.0 through 0.28.2 allows remote servers to cause a denial of service (NULL pointer dereference and crash) via vectors related to Digest authentication, […]

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Debian 11 — irssi-scripts — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — irssi-scripts — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • December 31, 2021
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 31 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-4396 CVE-2007-4398 Upstream summary: Multiple CRLF injection vulnerabilities in (1) ixmmsa.pl 0.3, (2) l33tmusic.pl 2.00, (3) mpg123.pl 0.01, (4) ogg123.pl 0.01, (5) xmms.pl 2.0, (6) xmms2.pl 1.1.3, and […]

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Arch Linux — thefuck — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — thefuck — vulnerability — patch and remediation guide

  • December 31, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202106-39 Related CVEs: CVE-2021-34363 Upstream summary: Type: arbitrary file overwrite. Status: Fixed. Affected: 3.30-3. Fixed in: 3.31-1. Group: AVG-2062. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Debian 11 — elinks — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — elinks — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • December 31, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 31 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-5925 CVE-2007-2027 CVE-2007-5034 CVE-2008-7224 CVE-2012-4545 CVE-2012-6709 Upstream summary: Links web browser 1.00pre12 and Elinks 0.9.2 with smbclient installed allows remote attackers to execute arbitrary code via shell metacharacters […]

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Como instalar e configurar o Ansible no Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Como instalar e configurar o Ansible no Ubuntu 20.04

  • December 31, 2021
  • Linux
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Os sistemas de gerenciamento de configuração são projetados para otimizar o processo de controle de grandes números de servidores, para administradores e equipes de operações. Isso permite que você controle sistemas diferentes de forma automática a partir de um local…

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Debian 11 — asn1c — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — asn1c — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • December 31, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 31 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-12966 CVE-2020-23910 CVE-2020-23911 Upstream summary: The asn1f_lookup_symbol_impl function in asn1fix_retrieve.c in libasn1fix.a in asn1c 0.9.28 allows remote attackers to cause a denial of service (segmentation fault) via a […]

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Ubuntu 18.04 — php-pear — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — php-pear — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • December 31, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 31 December 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5027-1 Related CVEs: CVE-2021-32610 CVE-2020-36193 CVE-2020-28948 CVE-2020-28949 CVE-2018-1000888 Upstream summary: It was discovered that PEAR incorrectly handled symbolic links in archives. A remote attacker could possibly use this issue to […]

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SLES 12 — npm10 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — npm10 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • December 31, 2021
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 31 December 2021 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2021:2790-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-22930 CVE-2019-9514 CVE-2019-9515 CVE-2019-9518 CVE-2020-11080 CVE-2020-7774 CVE-2020-8252 CVE-2020-8265  +12 more Upstream summary: Node.js before 16.6.0, 14.17.4, and 12.22.4 is vulnerable to a use after free […]

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