Logging Monitoring

NetBSD 9.4 — p5-Crypt-OpenSSL-DSA — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — p5-Crypt-OpenSSL-DSA — vulnerability — patch and remediation guide

  • August 14, 2023
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2009-0129 Upstream summary: pkgsrc audit-packages flagged p5-Crypt-OpenSSL-DSA<0.13nb6 for vulnerability class 'ssl-certificate-spoofing'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0129 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Debian 12 — libapache2-mod-perl2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libapache2-mod-perl2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • August 14, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 14 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-1349 CVE-2009-0796 CVE-2011-2767 Upstream summary: PerlRun.pm in Apache mod_perl before 1.30, and RegistryCooker.pm in mod_perl 2.x, does not properly escape PATH_INFO before use in a regular expression, which […]

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Amazon Linux 2 — kernel-livepatch-5.10.196-185.743 — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-5.10.196-185.743 — vulnerability — patch and remediation guide

  • August 14, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2LIVEPATCH-2023-156 Related CVEs: CVE-2023-5197 Upstream summary: A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. Addition and removal of rules from […]

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openSUSE Tumbleweed — ruby3.1-rubygem-activerecord — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — ruby3.1-rubygem-activerecord — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • August 14, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2025:15112-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-22794 CVE-2022-32224 CVE-2022-44566 Upstream summary: A vulnerability in ActiveRecord <6.0.6.1, v6.1.7.1 and v7.0.4.1 related to the sanitization of comments. If malicious user input is passed […]

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How to Manage Packages with DNF on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Manage Packages with DNF on Oracle Linux 9

Introduction Setting up manage packages with dnf on oracle linux 9 on a Oracle Linux 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Manage Packages with DNF on Oracle Linux 9, with all the commands you need, the SELinux and firewalld considerations to […]

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Debian 12 — libtasn1-6 — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libtasn1-6 — multiple vulnerabilities (13 CVEs) — patch and remediation guide

  • August 14, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 14 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-3467 CVE-2014-3468 CVE-2014-3469 CVE-2015-2806 CVE-2015-3622 CVE-2016-4008 CVE-2017-10790 CVE-2017-6891  +5 more Upstream summary: Multiple unspecified vulnerabilities in the DER decoder in GNU Libtasn1 before 3.6, as used in GnuTLS, […]

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openSUSE Tumbleweed — ntpsec — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — ntpsec — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • August 14, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2023-4012 CVE-2021-22212 CVE-2019-6442 CVE-2019-6443 CVE-2019-6445 Upstream summary: ntpd will crash if the server is not NTS-enabled (no certificate) and it receives an NTS-enabled client request […]

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openSUSE Tumbleweed — liblouis20 — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — liblouis20 — multiple vulnerabilities (14 CVEs) — patch and remediation guide

  • August 14, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:1824-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-26768 CVE-2023-26769 CVE-2023-26767 CVE-2022-26981 CVE-2022-31783 CVE-2017-13738 CVE-2017-13739 CVE-2017-13741  +6 more Upstream summary: Buffer Overflow vulnerability found in Liblouis v.3.24.0 allows a remote attacker to cause […]

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Debian 12 — flatpak — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — flatpak — multiple vulnerabilities (15 CVEs) — patch and remediation guide

  • August 14, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 14 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-9780 CVE-2018-6560 CVE-2019-10063 CVE-2019-8308 CVE-2021-21261 CVE-2021-21381 CVE-2021-41133 CVE-2021-43860  +7 more Upstream summary: In Flatpak before 0.8.7, a third-party app repository could include malicious apps that contain files with […]

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Ubuntu 22.04 — graphviz — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — graphviz — vulnerability — patch and remediation guide

  • August 14, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 14 August 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6708-1 Related CVEs: CVE-2023-46045 Upstream summary: It was discovered that Graphviz incorrectly handled certain config6a files. An attacker could possibly use this issue to cause a denial of service. Table […]

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AIX AlmaLinux Alpine Linux authentication authorization Backup Recovery Boot Startup Cloud Integration Common Problems Cpu Memory Database Debian Debian 11 Debian 12 Bookworm Debian 13 Trixie DNS Firewall Fix Prevention FreeBSD FreeBSD 12 FreeBSD 13 FreeBSD 14 FreeBSD 15 Kernel Drivers Logging Monitoring Lvm Raid NetBSD Networking openSUSE Operations Oracle Linux Oracle Linux 8 Oracle Linux 9 Package Management Performance Proxy Security Hardening SLES Storage Disk Systemd Services Tls Ssl Troubleshooting ubuntu VPN windows server

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