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

Debian 11 — tre — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 March 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-8859 Upstream summary: Multiple integer overflows in the TRE library and musl libc allow attackers to cause memory corruption via a large number of (1) states or (2) […]

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Ubuntu 20.04 — libetpan — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libetpan — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 March 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7740-1 Related CVEs: CVE-2022-4121 Upstream summary: It was discovered that LibEtPan incorrectly handled memory when parsing IMAP STATUS responses. A remote attacker could possibly use this issue to cause LibEtPan […]

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AlmaLinux 8 — mingw-zlib — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — mingw-zlib — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2022:7813 Related CVEs: CVE-2018-25032 Upstream summary: The zlib packages provide a general-purpose lossless data compression library that is used by many different programs. Security Fix(es): * zlib: A flaw found in zlib […]

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Common Problems 120663

Debian 11: rsync over SSH fails after host key rotation

🟡 Medium   ⏱ 5–30 min  Last verified: 21 March 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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How to Set Up Minio Object Storage on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up Minio Object Storage on Debian 9

Introduction This guide explains how to Set Up Minio Object Storage on Debian 9 on Debian 9 Stretch. Debian Stretch 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 9 install with […]

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SLES 12 — python-py — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — python-py — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 21 March 2022 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:338-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-42969 CVE-2020-29651 Upstream summary: The py library through 1.11.0 for Python allows remote attackers to conduct a ReDoS (Regular expression Denial of Service) attack via […]

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Amazon Linux 2 — aws-nitro-enclaves-acm — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — aws-nitro-enclaves-acm — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2NITRO-ENCLAVES-2022-018 Related CVEs: CVE-2022-0778 Upstream summary: The BN_mod_sqrt() function, which computes a modular square root, contains a bug that can cause it to loop forever for non-prime moduli. Internally this […]

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Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide (ELSA-2022-9443)

🟠 High   ⏱ 15–60 min  Last verified: 21 March 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9443 Related CVEs: CVE-2022-1852 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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FreeBSD 12 — ImageMagick — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — ImageMagick — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 21 March 2022 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ImageMagick6 — multiple vulnerabilities Related CVEs: CVE-2004-0827 CVE-2004-0981 CVE-2005-0005 CVE-2005-0397 CVE-2006-5868 CVE-2007-4985 CVE-2007-4986 CVE-2007-4987  +12 more Upstream summary: CVE reports: Several vulnerabilities have been discovered in ImageMagick: CVE-2021-20309: A flaw […]

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