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Debian 11 — libarchive-zip-perl — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libarchive-zip-perl — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 July 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-1096 CVE-2018-10860 Upstream summary: Archive::Zip Perl module before 1.14, when used by antivirus programs such as amavisd-new, allows remote attackers to bypass antivirus protection via a compressed file […]

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Common Problems 114555

RHEL 9: GRUB Boot Failure After Disk Layout Change

🟡 Medium   ⏱ 5–30 min  Last verified: 13 July 2022 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]

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

Debian 11 — cryptcat — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 July 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2002-1653 Upstream summary: Farm9 Cryptcat, when started in server mode with the -e option, does not enable encryption, which allows clients to communicate without encryption despite intended configuration, […]

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Arch Linux — jenkins — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — jenkins — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202111-1 Related CVEs: CVE-2021-21697 CVE-2021-21696 CVE-2021-21695 CVE-2021-21694 CVE-2021-21693 CVE-2021-21692 CVE-2021-21691 CVE-2021-21690  +12 more Upstream summary: Type: multiple issues. Status: Fixed. Affected: 2.318-1. Fixed in: 2.319-1. Group: AVG-2526. Table of contents […]

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Debian 11 — ssvnc — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ssvnc — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 13 July 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-20020 CVE-2018-20021 CVE-2018-20022 CVE-2018-20024 Upstream summary: LibVNC before commit 7b1ef0ffc4815cab9a96c7278394152bdc89dc4d contains heap out-of-bound write vulnerability inside structure in VNC client code that can result remote code execution Table […]

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

How to Configure MySQL InnoDB Cluster on SLES 12

Introduction This tutorial covers How to Configure MySQL InnoDB 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 […]

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Common Problems 120645

Debian 11 Hostname Resolution Warning sudo unable to resolve host

🟢 Low   ⏱ 5–30 min  Last verified: 13 July 2022 Affected versions: Debian 11 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]

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Debian 11 — oath-toolkit — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — oath-toolkit — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 July 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-7322 Upstream summary: usersfile.c in liboath in OATH Toolkit before 2.4.1 does not properly handle lines containing an invalid one-time-password (OTP) type and a user name in /etc/users.oath, […]

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Ubuntu 14.04 — wireshark — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — wireshark — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 13 July 2022 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7552-1 Related CVEs: CVE-2021-4185 CVE-2022-0582 CVE-2022-0586 CVE-2022-3190 CVE-2021-4182 CVE-2022-0585 CVE-2021-39929 CVE-2021-4186  +7 more Upstream summary: It was discovered that Wireshark did not correctly handle recursion. If a user or system […]

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